{"title":"DC-DC Converter","description":"","products":[{"product_id":"synchronous-boost-converter-12v-input-to-24v-output-2a","title":"Synchronous Boost Converter 12V Input to 24V Output @ 2A","description":"\u003cp\u003eThis project is a synchronous boost converter based on the LM5122 IC. It converts a 12V input to a 24V output capable of delivering up to 2A. It features high-current connectors and a power indicator LED.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 12V DC\u003c\/li\u003e\n\u003cli\u003eOutput 24V DC\u003c\/li\u003e\n\u003cli\u003eLoad Current up to 2A\u003c\/li\u003e\n\u003cli\u003eSwitching Frequency 250Khz\u003c\/li\u003e\n\u003cli\u003eCycle-by-Cycle Current Limit\u003c\/li\u003e\n\u003cli\u003eProgrammable Line UVLO\u003c\/li\u003e\n\u003cli\u003eSoft Start\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown Protection\u003c\/li\u003e\n\u003cli\u003e4 x 4MM Mounting Holes\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 62.23 x 56.20 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46319510651052,"sku":"G003","price":6.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/stepupdcdc_1.jpg?v=1780055030"},{"product_id":"48v-dc-input-dc-dc-converter-5v-usb-c-type-output-car-phone-charger","title":"48V DC Input DC-DC Converter – 5V USB C-Type Output, Car Phone Charger","description":"\u003cp\u003eThis DC-DC converter board is specifically designed as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSB C-Type\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower source, providing a stable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a maximum current up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2A\u003c\/strong\u003e. The converter’s wide input voltage range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4.5V to 48V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures flexibility and compatibility with various power sources. Key features of the DC-DC converter include excellent load and line regulation, which enable it to maintain a stable output voltage despite changes in input voltage or load current. Additionally, the converter incorporates robust fault condition protection mechanisms, such as cycle-by-cycle current limiting and thermal shutdown, to prevent damage from overcurrent or overheating.\u003c\/p\u003e\n\u003cp\u003eThe circuit operates at a fixed frequency of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100kHz\u003c\/strong\u003e, ensuring efficient and reliable performance. For convenient connection, the board features screw terminals for the input supply and a USB-C connector for the output. An additional 2-pin header connector is also provided for alternative output access. Furthermore, an onboard LED indicator provides visual confirmation of the output status, allowing for easy monitoring and troubleshooting.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Power 4.5V to 48V\u003c\/li\u003e\n\u003cli\u003eOutput 5V USB C-Type\u003c\/li\u003e\n\u003cli\u003eOutput Current Up to 2Amps\u003c\/li\u003e\n\u003cli\u003eOperation Frequency 100Khz\u003c\/li\u003e\n\u003cli\u003eOn Board Output LED\u003c\/li\u003e\n\u003cli\u003eScrew Terminal for Power Input\u003c\/li\u003e\n\u003cli\u003eUSB-C Type Connector for 5V Output\u003c\/li\u003e\n\u003cli\u003e2 Pin Header Connector Output 5V\u003c\/li\u003e\n\u003cli\u003e4X3MM PCB Mounting Holes\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 52.71 x 24.77 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46900016939180,"sku":"G106","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G105B.jpg?v=1786181740"},{"product_id":"buck-converter-12v-76v-input-5v-dc-output","title":"Buck Converter 12V-76V Input, 5V DC Output","description":"\u003cp\u003e\u003cspan\u003eA buck converter board has been developed utilizing the \u003c\/span\u003e\u003cstrong\u003eBD9G341AEFJ,\u003c\/strong\u003e\u003cspan\u003e a non-synchronous DC\/DC converter. This board accepts a wide input voltage range of \u003c\/span\u003e\u003cstrong\u003e12V to 76V DC\u003c\/strong\u003e\u003cspan\u003e and generates a regulated \u003c\/span\u003e\u003cstrong\u003e5V DC\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eoutput. The BD9G341AEFJ features an integrated \u003c\/span\u003e\u003cstrong\u003e150mΩ N-channel MOSFET\u003c\/strong\u003e\u003cspan\u003e and a programmable switching frequency, adjustable from \u003c\/span\u003e\u003cstrong\u003e50kHz to 750kH\u003c\/strong\u003e\u003cspan\u003ez. On this board, the switching frequency is fixed at \u003c\/span\u003e\u003cstrong\u003e200kHz\u003c\/strong\u003e\u003cspan\u003e using resistor \u003c\/span\u003e\u003cstrong\u003eR5.\u003c\/strong\u003e\u003cspan\u003e To ensure reliable operation, the board incorporates several protection features. A fixed soft-start circuit minimizes inrush current during startup. Additionally, the board includes Under-Voltage Lockout (UVLO), Thermal Shutdown Detection (TSD), Over-Current Protection (OCP), and Over-Voltage Protection (OVP) circuits. The UVLO threshold and hysteresis are configured externally using resistors R1 and R4 connected to the EN (Enable) pin.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput 12V to 76V DC\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current 2A, up to 3A (Read Note)\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 200Khz\u003c\/li\u003e\n\u003cli\u003eOn Board Power LED\u003c\/li\u003e\n\u003cli\u003ePrecision EN\/UVLO Threshold +\/-3%\u003c\/li\u003e\n\u003cli\u003eUnder Voltage Lockout (UVLO), Threshold 11V\u003c\/li\u003e\n\u003cli\u003eSoft Start Function (20mS)\u003c\/li\u003e\n\u003cli\u003eOver Current Protection (OCP)\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown (TSD)\u003c\/li\u003e\n\u003cli\u003eOver Voltage Protection (OVP)\u003c\/li\u003e\n\u003cli\u003eScrew Terminals for Power Input and Output\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 45.09 x 19.84 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46900437581996,"sku":"G114","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G114A.jpg?v=1786192034"},{"product_id":"12w-step-up-dc-dc-converter-using-max1771","title":"12W Step Up DC-DC Converter using MAX1771","description":"\u003cp\u003eThis compact step-up DC-DC converter delivers up to 90% efficiency with load currents up to 1A. The design is based on the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX1771\u003c\/strong\u003e, which uses a unique current-limited Pulse Frequency Modulation (PFM) control scheme. This architecture combines the high efficiency of traditional PWM converters at heavy loads while consuming less than 110µA supply current, significantly lower than the 2mA to 10mA typically required by PWM-based designs.\u003c\/p\u003e\n\u003cp\u003eThe converter operates with miniature external components, and its high switching frequency of up to 300kHz allows the use of compact surface-mount magnetics with approximately 5mm height and 9mm diameter. The circuit accepts a 5V input supply and provides a pre-set 12V output. The output voltage can also be adjusted using external resistor divider components R2 and R4.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX1771\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimised for high efficiency at low input voltages and reduced output noise by maintaining a constant 100mV current-limit threshold across varying load conditions. An external N-channel MOSFET is used as the power switch, enabling the converter to deliver output power up to 12W.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Input 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput 12V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current 500mA (Up to 1Amp with Proper Cooling)\u003c\/li\u003e\n\u003cli\u003eScrew Terminal Connector for Input and Output\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 300Khz\u003c\/li\u003e\n\u003cli\u003eEfficiency 90%\u003c\/li\u003e\n\u003cli\u003eOutput LED\u003c\/li\u003e\n\u003cli\u003e4 x 3MM PCB Mounting Holes\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions: 36.20 x 34.93 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909153214636,"sku":"G115","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G115A.jpg?v=1786351512"},{"product_id":"24-48v-to-5v-3a-dc-dc-converter-bd9g341aefj","title":"24-48V to 5V – 3A DC-DC Converter, BD9G341AEFJ","description":"\u003cp\u003eThis is a 24-48V input voltage range 3A output current DC-DC Converter using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBD9G341AEFJ\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIC from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eROHM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esemiconductor. This IC is ideal for high-voltage to low-voltage converter with 3A output current. The pin configuration of the board with 3 Pin horizontal mounting of the regulator is similar to the LM7805 LDO regulator and is suitable to use this IC as a replacement which provides more current and takes high voltage input.\u003c\/p\u003e\n\u003cp\u003eDifferent voltage outputs are possible by changing a few components. Refer to the datasheet for the same. Example circuit can provide 5.1V\/3A with an input supply range of 24-48V DC and an operating frequency of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e200KHz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBD9G341AEFJ\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a buck-switching regulator with integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e150mΩ\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower MOSFET. The current mode architecture provides a fast transient response and a simple phase compensation setup. The operating frequency is programmable from 50kHz to 750kHz. Additional protection features are included such as Over Current Protection, Thermal shutdown, and under-voltage lockout. The under-voltage lockout and hysteresis can be set by an external resistor.\u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909267280044,"sku":"G117","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G117B.jpg?v=1786354570"},{"product_id":"buck-converter-for-e-scooters-4-5v-to-95v-input-5v-output","title":"Buck Converter for E-Scooters – 4.5V to 95V input – 5V output","description":"\u003cp\u003eThis high-voltage buck converter is specifically designed for e-scooter and e-bike control power supply applications, but its versatility also makes it suitable for use in solar energy systems, automotive systems, and industrial power supplies. This converter utilizes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMPS9486\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip, a 4.5V-to-95V-input, 1A-output step-down converter that provides efficient power conversion.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMP9486\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip employs a hysteresis voltage control method, which enables fast response to line or load transients, ensuring stable output voltage. Additionally, it integrates a high-side high-voltage power MOSFET with a current limit exceeding 1.7A, providing reliable and efficient power delivery.\u003c\/p\u003e\n\u003cp\u003eThe board is pre-configured for a\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e5V step-down\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapplication, making it an ideal solution for a wide range of applications that require a stable and efficient 5V power supply. With its robust design and high-performance capabilities, this high-voltage buck converter is an excellent choice for various power supply needs.\u003c\/p\u003e\n\u003cp\u003eThe output voltage of this board is set to 5V. With an input ranging from 8V (lower input may cause insufficient BST voltage) to 95V, this board can provide a load up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 8V-To-95V Wide input Range\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current Up to 1A\u003c\/li\u003e\n\u003cli\u003eHysteretic Control: Simple Compensation\u003c\/li\u003e\n\u003cli\u003eFrequency Up to 1Mhz\u003c\/li\u003e\n\u003cli\u003eHiccup mode Short Circuit Protection\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 23.34 x 22.86 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909283827884,"sku":"G118","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G118A.jpg?v=1786355033"},{"product_id":"isolated-flyback-converter-with-18v-28v-input-and-12v-output","title":"Isolated Flyback Converter with 18V-28V Input and 12V Output","description":"\u003cp\u003eThe project presented here is a micropower no-opto isolated flyback converter featuring the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT8304\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip from Analog Devices. This circuit outputs\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand maintains tight regulation with a load current from\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e10mA up to 1A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand over an input voltage from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18V to 28V\u003c\/strong\u003e. The project needs less than 0.5% of its full output power as a minimum load to maintain good output voltage regulation. The transformer leakage inductance causes a voltage spike on the primary side after the power switch turns off. To limit this leakage inductance spike within the MOSFET voltage rating of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e150V\u003c\/strong\u003e, an RC snubber, and a TVS clamp are installed to dampen the ringing and clamp the MOSFET drain voltage to a safe level.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Input 18V to 28V DC\u003c\/li\u003e\n\u003cli\u003eOutput 12V 10mA-1A\u003c\/li\u003e\n\u003cli\u003eLow Ripple Burst Mode Operation at Light Load\u003c\/li\u003e\n\u003cli\u003eMinimum Load \u0026lt; 0.5% (Typ) of Full Output\u003c\/li\u003e\n\u003cli\u003eAccurate EN\/UVLO Threshold and Hysteresis\u003c\/li\u003e\n\u003cli\u003eUndervoltage Lockout Accurate 1.214V Threshold\u003c\/li\u003e\n\u003cli\u003eInternal Compensation and Soft-Start\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation for Output Diode\u003c\/li\u003e\n\u003cli\u003eOutput Short-Circuit Protection\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 56.36 x 17.46 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909307682988,"sku":"G119","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G119A.jpg?v=1786355651"},{"product_id":"compact-dc-dc-converter-with-input-24v-and-5v-1-5a-output","title":"Compact DC-DC Converter with Input 24V and 5V@1.5A Output","description":"\u003cp\u003eWe are introducing a compact\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDC-DC converter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat delivers a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput with a load current of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.5A\u003c\/strong\u003e, powered by an input supply of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24V to 26V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDC. This innovative project boasts key features such as soft start, thermal shutdown, and overcurrent protection. Built using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMP2345\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTSOT23-6 DC-DC Converter, this mini board offers a significant advantage over traditional LDOs like LM7805, occupying a much smaller area while providing more power and generating minimal heat.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply 24V-26V\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eLoad Current 1.5A\u003c\/li\u003e\n\u003cli\u003e3 Pin Header Connector for Input and Output (GND Common)\u003c\/li\u003e\n\u003cli\u003eInternal Power-Save Mode for Light Load\u003c\/li\u003e\n\u003cli\u003e600Khz Fixed Switching Frequency at CCM\u003c\/li\u003e\n\u003cli\u003eInternal Soft Start\u003c\/li\u003e\n\u003cli\u003eOver Current Protection (OCP) and Hiccup Mode\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 17.78 x 10.64 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909565698220,"sku":"G121","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G120B_33b91157-3d8a-4e8f-9ebe-167ac0fe9231.jpg?v=1786362784"},{"product_id":"step-up-dc-dc-converter-24v-10ma-output-from-12v-dc-input-compatible-to-to220-ldo","title":"Step Up DC-DC Converter – 24V\/10mA Output from 12V DC Input – Compatible to TO220 LDO","description":"\u003cp\u003e\u003cspan\u003eThe project demonstrated here is a small-size solution, high-efficiency, low-cost, and low-EMI step-up DC\/DC module for \u003c\/span\u003e\u003cstrong\u003eLDO regulator\u003c\/strong\u003e\u003cspan\u003e replacement. This small size module helps save on solution size and cost while also eliminating the need for a heatsink. The module takes up the same amount of space as a \u003c\/span\u003e\u003cstrong\u003eTO-220\u003c\/strong\u003e\u003cspan\u003e package and is pin-to-pin compatible with TO-220 regulators, such as LM7805. The project is based on LM3578, which is a switching regulator that can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost, and inverting configurations. In this board, the chip is configured as a boost converter. Switching frequency sets at \u003c\/span\u003e\u003cstrong\u003e100Khz\u003c\/strong\u003e\u003cspan\u003e. The project provides \u003c\/span\u003e\u003cstrong\u003e24V\u003c\/strong\u003e\u003cspan\u003e output from \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003cspan\u003e input. The project can output up to \u003c\/span\u003e\u003cstrong\u003e20mA\u003c\/strong\u003e\u003cspan\u003e of current but it is safe to draw continuous \u003c\/span\u003e\u003cstrong\u003e10mA\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage V\u003csub\u003eIN\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e= 12V DC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage V\u003csub\u003eOUT\u003cspan\u003e \u003c\/span\u003e\u003c\/sub\u003e= 24V DC\u003c\/li\u003e\n\u003cli\u003eLoad Current 10mA\u003c\/li\u003e\n\u003cli\u003eSwitching Frequency 100Khz\u003c\/li\u003e\n\u003cli\u003e3 Pin Header Connector for Input and Output\u003c\/li\u003e\n\u003cli\u003ePin to Pin Compatible as LM7805\u003c\/li\u003e\n\u003cli\u003eOutput Ripple 60mV\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 16.19 x 9.53 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909602300076,"sku":"G122","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G122A.jpg?v=1786363679"},{"product_id":"multi-output-step-down-converter-input-18-24v-and-output-3-3v-5v-12v","title":"Multi Output Step-Down Converter – Input 18-24V and Output 3.3V, 5V, 12V","description":"\u003cp\u003eThis is a fantastic project for makers, offering multiple output options of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.3V\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e, with an input of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18-24V DC\u003c\/strong\u003e. This project is built around the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMP2451\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehigh-frequency (2Mhz)\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estep-down\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eswitching regulator, ensuring efficient and reliable power conversion. For added convenience, a header connector is provided for outputs and input supply, while a power LED indicator ensures easy power status monitoring. This project is particularly well-suited for low-current applications, and its compact PCB design occupies a minimal footprint, making it ideal for space-constrained projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe output voltages of the three channels are set to 3.3V, 5V, and 12V using the following resistor combinations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3V: R1 + R3\u003c\/li\u003e\n\u003cli\u003e5V: R2 + R4\u003c\/li\u003e\n\u003cli\u003e12V: R9 + R11\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsers can modify the feedback divider resistor values to adjust the output voltages to meet their specific requirements. The output voltage range is adjustable from +0.8V to 0.8 x V\u003csub\u003eIn\u003c\/sub\u003e. For the divider resistor formula, refer to the chip’s datasheet.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput 18-24V DC\u003c\/li\u003e\n\u003cli\u003eOutputs 3.3V, 5V, 12V, Load Current 300mA Each (max 600mA per channel)\u003c\/li\u003e\n\u003cli\u003eOn Board Power LED\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Outputs and Input\u003c\/li\u003e\n\u003cli\u003e2MHz fixed Switching Frequency\u003c\/li\u003e\n\u003cli\u003eInternal Soft-Start\u003c\/li\u003e\n\u003cli\u003ePrecision Current Limit Without Current Sensing Resistor\u003c\/li\u003e\n\u003cli\u003eThermal shutdown\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 32.07 x 19.37 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46909629071532,"sku":"G123","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G123A.jpg?v=1786364206"},{"product_id":"high-voltage-capacitor-charger-for-photo-flash-using-lt3751","title":"High Voltage Capacitor Charger for Photo-Flash Using LT3751","description":"\u003cp\u003eThis project is built for professional photo flash systems. The circuit generates high voltage from a low voltage battery to operate a photo-flash tube. The project can also be used in other applications like high voltage capacitor chargers, emergency strobe, high voltage power supply, security, detonators, etc.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT3751\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the heart of the project.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT3751\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high voltage input flyback controller designed to rapidly charge a large capacitor to a user-adjustable high target voltage set by the transformer turns ratio and three external resistors. Optionally, a feedback pin can be used to provide a low noise high voltage regulated output. The LT3751 has an integrated rail-to-rail MOSFET gate driver that allows for efficient operation down to 4.75V. A low 106mV differential current sense threshold voltage accurately limits the peak switch current. Added protection is provided via user-selectable overvoltage and under-voltage lockouts for both VCC and VTRANS. This project can charge a 220μF capacitor to 300V in less than one second. The CHARGE pin is used to initiate a new charge cycle and provides ON\/OFF control. The DONE pin indicates when the capacitor has reached its programmed value and the part has stopped charging. The FAULT pin indicates when the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT3751\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehas shut down due to either VCC or VTRANS voltage exceeding the user-programmed supply tolerances. CN1 supply input, CN2 output, CN3 have no use.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply 24V DC\u003c\/li\u003e\n\u003cli\u003eOutput 300V DC\u003c\/li\u003e\n\u003cli\u003eCharging time less than a second\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46916514775212,"sku":"G126","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G126A.jpg?v=1786531715"},{"product_id":"3v-to-5v-boost-dc-dc-converter-using-max711","title":"3V To 5V Boost DC-DC Converter using MAX711","description":"\u003cp\u003eThe circuit shown here is a compact and high-efficiency boost converter that has been designed for hand-held equipment. This boost converter converts 2 cells (3V) DC power into 5V DC with output load current up to 500mA. Typical efficiency when boosting battery inputs is 85%. The circuit is based on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX711\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhich integrates a step-up DC-DC converter with a linear regulator to provide step-up voltage conversion. The circuit is optimized for battery applications where the input varies above and below the regulated output voltage. The project has an input range from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+1.8V to +11V\u003c\/strong\u003e. The circuit is set for 5V output but it has an adjustable output that can be set from +2.7V to +5.5V with the help of two R3, R4 resistors. The IC contains a comparator for low battery detection. If the voltage at LBI+ falls below that at LBI- (typically connected to REF), LBO goes low. Hysteresis is typically 50mV. You can set the low-battery monitor’s threshold with two resistors, R1 and R2.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX711\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintegrate a step-up DC-DC converter with a linear regulator to provide step-up\/down voltage conversion. The step-up switch-mode regulator contains an N-channel power MOSFET switch. It also shares a precision voltage reference with a linear regulator that contains a P-channel MOSFET pass element. Step-Up Operation A pulse-frequency-modulation (PFM) control scheme with a constant 1μs off-time and variable on-time controls the N-channel MOSFET switch. The N-channel switch turns off when the part reaches the peak current limit or the 4μs maximum on-time. The ripple frequency is a function of load current and input voltage.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Input Two AA Cell- 3V DC (+1.8V to +11V Range)\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC (Adjustable 2.5V to 5.5V)\u003c\/li\u003e\n\u003cli\u003eOutput Load 500mA Maximum\u003c\/li\u003e\n\u003cli\u003eEfficiency for battery input is 85%\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962189893804,"sku":"G128","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G128A.jpg?v=1787120377"},{"product_id":"dual-usb-host-hub-output-with-constant-current-limit-protection","title":"Dual USB Host\/Hub Output with Constant Current Limit\/Protection","description":"\u003cp\u003eThis project has 2 outputs that enable us to power up 2 USB devices simultaneously from an input supply of 12-30V DC. The idea of this project is to have safe power for USB powered devices. The circuit is designed to simplify USB port power delivery based on self-powering 2 port USB HOST\/HUB. IC provides two constant current outputs each of 1.1Amp 5V DC, and when any of USB port is overload\/short circuit, the fault flag goes from high to low, and the outputs are in constant current mode.  The project can be used as a dual-port USB charger in cars or trucks.\u003c\/p\u003e\n\u003cp\u003eThe project comprises of two parts, a DC-DC converter, and constant current limit switches.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM2576\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIC is used as a DC-DC converter that provides 5V 3Amps from an input supply\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V to 30V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFPF2303\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip used as dual-channel load switch, consist of dual, independent, current-limited, slew rate controlled P-channel MOSFET power switches. Slew rated turn-on prevents inrush current from glitching supply.\u003c\/p\u003e\n\u003cp\u003eThe board provides two jumpers\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eJ1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eJ2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto enable the outputs. Switch control is accomplished by pulling down the pin ONA\/ONB using jumpers. a current limit condition immediately pulls the fault signal pins FLAG-A or FLAG-B low and the part remains in the constant-current mode until the switch current falls below the current limit. The circuit offers current limiting, UVLO, and thermal shutdown protection for each USB port, in the event of an overcurrent condition, the load switch limits the load to the current limit value. The minimum current limit is set to 1.1A. The chip does not turn off the response to an overcurrent condition but remains operating in a constant current mode as long as ONA or ONB are enabled and thermal shutdown or UVLO is not activated.\u003c\/p\u003e\n\u003cp\u003eThe project can be controlled using Arduino by interfacing ONA\/ONB pins for ON\/OFF the output and Flag pins FLAG-A\/FLAG-B to check the fault conditions.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage 12V-30V DC\u003c\/li\u003e\n\u003cli\u003ePower LED at Input Supply\u003c\/li\u003e\n\u003cli\u003e2 USB Outputs Each 1.1A Max Load \/ 5V DC\u003c\/li\u003e\n\u003cli\u003e5V DC Aux Power Out\u003c\/li\u003e\n\u003cli\u003eFlag-A and Flag-2 Outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962191827116,"sku":"G129","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G129A.jpg?v=1787120816"},{"product_id":"single-18650-lipo-battery-to-5v-boost-converter","title":"Single 18650 LiPo Battery to 5V Boost Converter","description":"\u003cp\u003eThis small board is based on the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCS5171\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboost converter from ON Semiconductor. The board is configured to be used with a single 18650 LiPo battery. The circuit converts single-cell 3.7V LiPo battery voltage to 5V with a load current up to 400mA. Board has been designed to fit on the backside of a single-cell battery holder with a screw. The CS5171 IC is a 280 kHz switching regulator with a high efficiency, 1.5 A integrated switch.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Input 2.7V-3.7V (Single Lipo Battery)\u003c\/li\u003e\n\u003cli\u003eOutput 5V\u003c\/li\u003e\n\u003cli\u003eOutput Current 400mA\u003c\/li\u003e\n\u003cli\u003eOperation Frequency 280 kHz\u003c\/li\u003e\n\u003cli\u003eVery Tiny Board Designed to Fit On Back Side Of LIPO Battery Holder\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 44.27 x 11.01 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962200019116,"sku":"G130","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G130A.jpg?v=1787121481"},{"product_id":"isolated-power-supply-for-rs485-rs422-rs232-spi-i2c-and-power-lan","title":"Isolated Power Supply for RS485, RS422, RS232, SPI, I2C and Power LAN","description":"\u003cp\u003eMini Isolated Power Supply is designed for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN applications. The power supply provides +\/- 5.50 V DC symmetrical outputs with load current 500mA from 5V DC input. The project is built using SN6505A IC from Texas instruments. The SN6505A is a low-noise, low-EMI push-pull transformer driver, specifically designed for small form factor, isolated power supplies. It drives low profile, center-tapped transformers 5 V DC power supply. Ultra-low noise and EMI are achieved by slew rate control of the output switch voltage and through Spread Spectrum Clocking (SSC). The SN6505 consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive ground referenced N-channel power switches. The device includes two 1-A Power-MOSFET switches to ensure start-up under heavy loads. The internal protection features include a 1.7A current limiting, under-voltage lockout, thermal shutdown, and break-before-make circuitry. SN6505 includes a soft-start feature that prevents high inrush current during power up with large load capacitors.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput +\/- 5.50 V DC symmetrical outputs\u003c\/li\u003e\n\u003cli\u003eOutput Current 500mA Approx.\u003c\/li\u003e\n\u003cli\u003eUltra-Low EMI\u003c\/li\u003e\n\u003cli\u003eSpread Spectrum Clocking\u003c\/li\u003e\n\u003cli\u003ePrecision Internal Oscillator Options: 160 kHz (SN6505A)\u003c\/li\u003e\n\u003cli\u003eSlew-Rate Control\u003c\/li\u003e\n\u003cli\u003e7 A Current-Limit\u003c\/li\u003e\n\u003cli\u003eLow Shutdown Current: \u0026lt;1 μA\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range: –55°C to 125°C\u003c\/li\u003e\n\u003cli\u003eSoft Start to reduce In-rush current\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962231869612,"sku":"G131","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G131B.jpg?v=1787122593"},{"product_id":"90v-to-10v-500ma-high-voltage-dc-dc-buck-converter","title":"90V to 10V @ 500mA High Voltage DC-DC buck converter","description":"\u003cp\u003eThis is a versatile tiny module that provides 10V\/500mA from 90V DC input. It is a high voltage input DC-DC buck converter, based on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5017\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIC, which is a 100-V, 600-mA synchronous step-down regulator with integrated high side and low side MOSFETs. The constant on-time (COT) control scheme employed in the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5017\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires no loop compensation, provides an excellent transient response, and enables very high step-down ratios. The ON-time varies inversely with the input voltage resulting in nearly constant frequency over the input voltage range. A high voltage startup regulator provides bias power for the internal operation of the IC and for integrated gate drivers. A peak current limit circuit protects against overload conditions. The under-voltage lockout (UVLO) circuit allows the input under-voltage threshold and hysteresis to be independently programmed. Other protection features include thermal shutdown and bias supply under-voltage lockout (VCC UVLO). Supply input range 13V to 90V, provides 10V\/500mA, switching frequency 225 KHz. Adjustable output voltage possible by altering Resistor R6 and R8 value, refer data sheet. Under-Voltage lockout set to 12.4V.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide 13V to 90V Input Range\u003c\/li\u003e\n\u003cli\u003eOutput 10V 500MA (Adjustable Output Voltage from 1.225 V)\u003c\/li\u003e\n\u003cli\u003eIntegrated 100-V High-Side, and Low-Side Switches\u003c\/li\u003e\n\u003cli\u003eConstant On-Time Control\u003c\/li\u003e\n\u003cli\u003eNo Loop Compensation Required\u003c\/li\u003e\n\u003cli\u003eUltra-Fast Transient Response\u003c\/li\u003e\n\u003cli\u003eNearly Constant Operating Frequency\u003c\/li\u003e\n\u003cli\u003eIntelligent Peak Current Limit\u003c\/li\u003e\n\u003cli\u003ePrecision 2% Feedback Reference\u003c\/li\u003e\n\u003cli\u003eFrequency 225Khz (Adjustable to 1 MHz)\u003c\/li\u003e\n\u003cli\u003eAdjustable Under voltage Lockout (UVLO) (Set to 12.4V)\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 25.44 x 12.05 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962352390316,"sku":"G132","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G132A.jpg?v=1787126437"},{"product_id":"usb-to-12v-boost-converter-using-lm2577","title":"USB To 12V Boost Converter using LM2577","description":"\u003cp\u003eThis project provides 12V output from any USB power source, like PC USB port, USB adapter or power banks. LM2577ADJ boost converter IC is the heart of the project. The IC can handle load up to 800mA, it’s advisable to use only 200mA load on output to be on the safe side. The LM2577 are monolithic integrated circuits that provide all of the power and control functions for step-up (boost), fly back, and forward converter switching regulators. The device is available in three different output voltage versions: 12V, 15V, and adjustable. Requiring a minimum number of external components, these regulators are cost effective, and simple to use. Listed in this data sheet are a family of standard inductors and fly back transformers designed to work with these switching regulators. Included on the chip is a 3.0A NPN switch and its associated protection circuitry, consisting of current and thermal limiting, and under voltage lockout. Other features include a 52 kHz fixed-frequency oscillator that requires no external components, a soft start mode to reduce in-rush current during start-up, and current mode control for improved rejection of input voltage and output load transients.\u003c\/p\u003e\n\u003cp\u003eDefault output is set to 12V output, however Output Voltage is adjustable using R2 and R3. Refer to datasheet of LM2577ADJ for more info. Output Voltage Formula VOut=1.23V (1+R2\/R3) (Read Data Sheet for more information about Inductor value, Capacitor, Feedback resistors, Output current and voltage)\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput USB 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput 12V DC\u003c\/li\u003e\n\u003cli\u003eOutput Load 200mA ( Max 800mA)\u003c\/li\u003e\n\u003cli\u003eCurrent-mode Operation for Improved Transient Response, Line Regulation, and Current Limit\u003c\/li\u003e\n\u003cli\u003e52 kHz Internal Oscillator\u003c\/li\u003e\n\u003cli\u003eSoft-start Function Reduces In-rush Current During Start-up\u003c\/li\u003e\n\u003cli\u003eOutput Switch Protected by Current Limit,\u003c\/li\u003e\n\u003cli\u003eUnder-voltage Lockout, and Thermal Shutdown\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962362679468,"sku":"G133","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G133A.jpg?v=1787126946"},{"product_id":"li-ion-li-po-18650-battery-to-5v-boost-converter","title":"Li-Ion\/Li-Po 18650 Battery to 5V Boost Converter","description":"\u003cp\u003eThe project presented here is capable of supplying\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e400mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof current from a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.7V Li-Ion\/Li-Po Battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput. The converter has an internal soft start and internal frequency compensation features. The project is built using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLTC3426\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSOT23-6 chip. The LTC3426 chip is in a low profile (1mm) SOT-23 package and has a very low shutdown current of about\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5µA\u003c\/strong\u003e. A switching frequency of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.2MHz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows a tiny solution. The tiny PCB can be mounted on the backside of the a 18650 battery holder. Jumper J1 is the shut-down jumper. Internal soft-start eases inrush current issues.\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eLTC3426\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estep-up switching regulator generates an output voltage of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom an input voltage as low as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.6V.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for applications where space is limited, it switches at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.2MHz,\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallowing the use of tiny, low cost and low-profile external components. Its internal\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2A\u003c\/strong\u003e, 100mΩ NMOS switch provides high efficiency even at heavy load, while the constant frequency, current-mode architecture results in low, predictable output noise that is easy to filter. Anti-ringing circuitry reduces EMI concerns by damping the inductor while in discontinuous mode, and internal soft-start eases inrush current worries. Internal frequency compensation is designed to accommodate ceramic output capacitors, further reducing noise. The device features a very low shutdown current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5µA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 3.7V Li-Ion or Li-Po Battery\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eLoad 400mA Maximum\u003c\/li\u003e\n\u003cli\u003eSwitching Frequency 1.2Mhz\u003c\/li\u003e\n\u003cli\u003eJumper J1 – Shutdown\u003c\/li\u003e\n\u003cli\u003eIntegrated Soft-Start\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 69.85 x 19.05 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962377326764,"sku":"G134","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G134A.jpg?v=1787127381"},{"product_id":"universal-input-ac-dc-switching-buck-regulator-85v-265v-ac-input-5v-150ma-dc-output","title":"Universal Input AC\/DC Switching Buck Regulator – 85V -265V AC Input – 5V\/150mA DC Output","description":"\u003cp\u003eThe project presented here is a universal input AC\/DC switching buck regulator with ultra-low standby power that is capable of delivering up to\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e2.5W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput power. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRAA223012\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip is the heart of the project which combines constant off-time control for heavy load and Pulse Frequency Modulation (PFM) for light-load operation. Constant off-time controls switching frequency above the audible frequency of approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50kHz\u003c\/strong\u003e. PFM eliminates any potential audible noises while offering superior light-load efficiency and ultra-low power consumption (\u003cstrong\u003e\u0026lt;10mW\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat no load). Efficiency is achieved up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75%\u003c\/strong\u003e. The built-in frequency dithering further reduces the EMI noise spectrum.  The RAA223012 also features input brownout protection that prevents input circuitry from the overcurrent at low input voltage, and hiccup protections for output fault conditions such as short-circuit, overload, and open feedback.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal Input 85V to 265V AC 50\/60Hz\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC, 150mA\u003c\/li\u003e\n\u003cli\u003eOutput Short Circuit Protection\u003c\/li\u003e\n\u003cli\u003eOverload Protection (OLP)\u003c\/li\u003e\n\u003cli\u003eShort-Circuit Protection (SCP)\u003c\/li\u003e\n\u003cli\u003eOpen Feedback Protection\u003c\/li\u003e\n\u003cli\u003eOver-Temperature Protection (OTP)\u003c\/li\u003e\n\u003cli\u003e4 x 2.5mm Mounting Holes\u003c\/li\u003e\n\u003cli\u003ePCB dimensions 52.07 x 28.58 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962389385388,"sku":"G135","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G135A.jpg?v=1787127708"},{"product_id":"3-phase-3-wire-emi-filter-480vac","title":"3 Phase (3 Wire) EMI Filter – 480VAC","description":"\u003cp\u003eThe project presented here is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3 Phase (3Wire) EMI Power line filter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhich reduces electromagnetic interference and noise conducting in to and out of equipment power lines. These EMI filters can prevent electromagnetic noise of equipment going into the power line and disturb the proper functions of other devices such as communication devices, digital circuits, and robotics thus noise generated from switched power electronics. This single-stage board is designed and built using a high-quality common mode inductor and AC capacitors.  This filter can be used to filter EMI noise in AC power lines\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e480VAC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand can handle currents up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10A.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 x fuses are provided for over current and short circuit protection. It is easy to connect inputs and outputs using Barrier’s screw terminals. 6 x 4.2MM mounting holes were provided for easy mounting of the PCB.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Quality 3 Phase EMI Filter Using Common Mode Inductor\u003c\/li\u003e\n\u003cli\u003eRated Input Supply up to 480V AC 50-60Hz\u003c\/li\u003e\n\u003cli\u003eHorizontally Mounted Common Mode Choke\u003c\/li\u003e\n\u003cli\u003e3 x Fuse on All 3 Phase Inputs for Protections\u003c\/li\u003e\n\u003cli\u003e6 x 4.2 MM Mounting Holes\u003c\/li\u003e\n\u003cli\u003eBarrier Screw Terminals for Inputs and Outputs\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 217.17 x 70.49 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962416582828,"sku":"G136","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G136A.jpg?v=1787128148"},{"product_id":"350w-power-factor-boost-converter-for-inverter-fed-bldc-and-pmsm-motors","title":"350W Power Factor Boost Converter for Inverter-Fed BLDC and PMSM Motors","description":"\u003cp\u003e\u003cspan\u003eThis 350W power factor boost converter is designed for inverter-fed BLDC\/PMSM motor appliances, A\/C units, Refrigerators, and industrial power supplies. The circuit is a continuous-conduction-mode \u003c\/span\u003e\u003cstrong\u003eboost converter\u003c\/strong\u003e\u003cspan\u003e implemented using a \u003c\/span\u003e\u003cstrong\u003eUCC28180\u003c\/strong\u003e\u003cspan\u003e PFC controller module which provides all the necessary built-in protections. It’s a robust output supply protected for output cover current, output over-voltage, and output under voltage conditions. The converter has two parts, the main power board and the \u003c\/span\u003e\u003cstrong\u003eUCC28180 PFC controller\/Breakout\u003c\/strong\u003e\u003cspan\u003e board. PFC boost converter provides \u003c\/span\u003e\u003cstrong\u003e380V\u003csub\u003eDC\u003c\/sub\u003e\u003c\/strong\u003e\u003cspan\u003e regulated output at \u003c\/span\u003e\u003cstrong\u003e0.9A\u003c\/strong\u003e\u003cspan\u003e load current. The PFC converter accommodates an input voltage range of\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e85V\u003csub\u003eAC\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eto 265 V\u003csub\u003eAC\u003c\/sub\u003e\u003c\/strong\u003e\u003cspan\u003e and uses average current mode control at a fixed programmable switching frequency of \u003c\/span\u003e\u003cstrong\u003e120Khz\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOutput 380V DC\u003c\/li\u003e\n\u003cli\u003eOutput Load Current 0.9A\u003c\/li\u003e\n\u003cli\u003eFull Load Efficiency 94%\u003c\/li\u003e\n\u003cli\u003eInput AC Range 85V to 265V AC\u003c\/li\u003e\n\u003cli\u003eInput Frequency 47 to 63 Hz\u003c\/li\u003e\n\u003cli\u003eNo Load Input Current 70mA\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 120Khz\u003c\/li\u003e\n\u003cli\u003eAverage Current Mode PWM Control\u003c\/li\u003e\n\u003cli\u003eNo AC Line Sensing Needed\u003c\/li\u003e\n\u003cli\u003eSoft Over Current and Cycle-by-Cycle Peak Current Limiting\u003c\/li\u003e\n\u003cli\u003eVCC Under Voltage Lockout with Low Start-Up Current\u003c\/li\u003e\n\u003cli\u003eVoltage Regulation Open Loop Detection\u003c\/li\u003e\n\u003cli\u003eOutput Over-Voltage Protection with Hysteresis Recovery\u003c\/li\u003e\n\u003cli\u003eSoft Start\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 97.79 x 89.22 mm\u003c\/li\u003e\n\u003cli\u003e4 x 3mm Mounting Holes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962425364652,"sku":"G137","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G137A.jpg?v=1787128456"},{"product_id":"high-voltage-dc-power-supply-for-intelligent-power-modules","title":"High Voltage DC Power Supply for Intelligent Power Modules","description":"\u003cp\u003e\u003cspan\u003eAlthough this power supply design is specific to the \u003c\/span\u003e\u003ca href=\"https:\/\/www.electronics-lab.com\/project\/10a-400v-dc-intelligent-power-module-ipm\/\"\u003eIntelligent Power Modules (IPM)\u003c\/a\u003e\u003cspan\u003e, the concepts and circuit design may be used for any power supply that requires high voltage output up to \u003c\/span\u003e\u003cstrong\u003e400V DC\u003c\/strong\u003e\u003cspan\u003e and\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e6 A\u003c\/strong\u003e\u003cspan\u003e. It is an unregulated power supply, DC output is dependent on AC input.  The circuitry includes a passive EMI filter consisting of elements C5, C6, C7, C8, C9, C10, T1, and a BR1 \u003c\/span\u003e\u003cstrong\u003e25 A\/600V\u003c\/strong\u003e\u003cspan\u003e rectifier block, R3 \u003c\/span\u003e\u003cstrong\u003eNTC\u003c\/strong\u003e\u003cspan\u003e for inrush current protection, and a relay RL1 for soft powering up and reducing conduction losses in steady-state operation. 2 x electrolytic capacitors C3, C4 are used for buffering the rectified DC bus voltage. It is advisable to use a heatsink on the bridge rectifier. Inrush current circuit requires \u003c\/span\u003e\u003cstrong\u003e12-15V DC @ 50mA\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003epower supply. Choose appropriate fuse as per current requirement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNominal Input Voltage 220V-240V AC\u003c\/li\u003e\n\u003cli\u003eOutput 330V DC (Approx.)\u003c\/li\u003e\n\u003cli\u003eOutput Current Continued 3A (Maximum 6 A)\u003c\/li\u003e\n\u003cli\u003eOn Board EMI Filter\u003c\/li\u003e\n\u003cli\u003eOn Board NTC for inrush Current\u003c\/li\u003e\n\u003cli\u003eOn Board Relay for soft powering up and reducing Power Losses\u003c\/li\u003e\n\u003cli\u003eOn Board Fuse for Short Circuit\/Over Current Protection\u003c\/li\u003e\n\u003cli\u003eScrew Terminals for Easy Connections\u003c\/li\u003e\n\u003cli\u003ePCB dimensions: 98.50 x 85.88 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962508365996,"sku":"G138","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G138A.jpg?v=1787129376"},{"product_id":"9v-45ma-boost-converter-output-with-input-2-1v-to-5-5v","title":"9V @ 45mA Boost Converter Output with Input 2.1V to 5.5V","description":"\u003cp\u003eThe project shown here is a boost converter that provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.1V to 5.5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput. It is a good choice for battery-operated devices where the converter can be connected to 2x 1.5V, 3 x 1.5V Battery, 1 x Li-ion, 2 x NICAD, 2 x NIMH, and provide 9V Output. The board is built using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBD8158FVM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip and the pin configuration is the same as TO220\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e78xx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLDO and the size is also the same. Output is very accurate and provides approx.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e85% efficiency\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat an operating frequency of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.2Mhz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput 2.1V to 5.5V (2 X NIMH Battery, 2 X NICAD Battery, 1X Li-Ion Battery 3.6V, 2X AA\/AAA battery)\u003c\/li\u003e\n\u003cli\u003e3 Pin Header Pitch 2.54MM for Output and Input (Pin Configuration same as TO220 LDO Such as LM7805)\u003c\/li\u003e\n\u003cli\u003eOutput 9V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current 45mA\u003c\/li\u003e\n\u003cli\u003e85% Efficiency\u003c\/li\u003e\n\u003cli\u003eOutput Voltage +\/-1%\u003c\/li\u003e\n\u003cli\u003eCurrent Mode PWM System\u003c\/li\u003e\n\u003cli\u003eBuilt-In Under-Voltage Lockout Protection Circuit\u003c\/li\u003e\n\u003cli\u003eBuilt-In Over-Current Protection Circuit\u003c\/li\u003e\n\u003cli\u003eBuilt-In Thermal Shutdown Circuit\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 20.16 x 9.05mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962541887660,"sku":"G139","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/g139b.jpg?v=1787130350"},{"product_id":"tiny-dc-dc-power-module-input-8-28v-dc-output-5v-dc-1a","title":"TINY DC-DC Power Module – Input 8-28V DC – Output 5V DC 1A","description":"\u003cp\u003eThis tiny power module is an easy-to-use integrated power solution that combines a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3A DC\/DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econverter chip with inbuilt power MOSFETs, an inductor, and passives into a 3-pin, through-hole package. The standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTO-220\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epin-out allows a much-improved replacement of linear regulators packaged in this industry-standard footprint. The circuit provides much higher efficiency and output current without the need for a heatsink. This is an easy replacement of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM7805\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elinear regulator with higher input voltage and output current than LM7805. Operating supply\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8-28V DC\u003c\/strong\u003e, output\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat 1A. The project is built using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTPS54302\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip from Texas instruments.\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eTPS54302\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a 4.5-V to 28-V input voltage range, 3-A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5-ms internal soft start to reduce component count. By integrating the MOSFETs and employing the SOT- 23 package, the TPS54302 achieves the high-power density and offers a small footprint on the PCB. Advanced Eco-mode implementation maximizes the light load efficiency and reduces power loss. In the TPS54302, the frequency spread-spectrum operation is introduced for EMI reduction. Cycle-by-cycle current limit in both high-side MOSFET protects the converter in an overload condition and is enhanced by a low-side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection is triggered if the overcurrent condition has persisted for longer than the present time.\u003c\/p\u003e\n\u003ch3\u003eOutput\u003c\/h3\u003e\n\u003cp\u003eThe circuit provides a fixed 5V DC and this can be changed. The output voltage is set with a resistor divider from the output node to the FB pin. It is recommended to use divider resistors with 1% tolerance or better. Start with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100 kΩ\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the upper resistor divider and use Equation 3 to calculate the output voltage. To improve efficiency at light loads consider using large value resistors but keep in mind that if the values are too high the regulator is more susceptible to noise and voltage errors from the FB input current are noticeable.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement to linear regulator LM7805\u003c\/li\u003e\n\u003cli\u003eInput Supply 8-28V DC\u003c\/li\u003e\n\u003cli\u003eOutput 5V @ 1A Maximum\u003c\/li\u003e\n\u003cli\u003eMore Than 90% Efficiency\u003c\/li\u003e\n\u003cli\u003e400Khz Switching Frequency\u003c\/li\u003e\n\u003cli\u003eOver Current Protection\u003c\/li\u003e\n\u003cli\u003eOver Voltage Protection\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003eFrequency Spread Spectrum to Reduce EMI\u003c\/li\u003e\n\u003cli\u003ePCB Dimension’s 16.03  x 15.40 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962550472876,"sku":"G140","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G140.jpg?v=1787130936"},{"product_id":"18v-isolated-dc-dc-converter-dual-supply-output-from-usb-5v-power-input","title":"+\/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input","description":"\u003cp\u003e\u003cspan\u003eThis is a mini DC-DC converter with dual output from single 5V DC supply or USB power source (e.g., \u003c\/span\u003e\u003cstrong\u003e+\/-18V\u003c\/strong\u003e\u003cspan\u003e from 5V\/USB). The mini board will fit into small space and perform with high efficiency. Basically, the circuit transfers power from 5V\/USB to the output side \u003c\/span\u003e\u003cstrong\u003e+\/-18V\u003c\/strong\u003e\u003cspan\u003e with high isolation, without a direct connection between \u003c\/span\u003e\u003cstrong\u003e5V\/USB\u003c\/strong\u003e\u003cspan\u003e power and output. The power isolation prevents ground loops and provides high noise immunity between input and output. The project is based on \u003c\/span\u003e\u003cstrong\u003eSN6501\u003c\/strong\u003e\u003cspan\u003e chip, which is oscillator\/power-driver, is specifically designed for small factor devices. The device drives a low profile, center-tapped transformer primary from 5V\/USB power and secondary side provides unregulated dual output which can be further regulated as per requirement (e.g., +\/-5V, +\/-12V). Project is a very easy and simple tool to test and run industrial, scientific project, PLC and I\/O modules which require dual output from single input. D2 power LED, CN1 USB A type connector for USB power input, CN3 No isolated 3.3V and 5V DC output, CN2 unregulated dual 18V Output.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput 5V DC @ 500mA (Power supply or USB Power)\u003c\/li\u003e\n\u003cli\u003eOutput Unregulated +\/-18V DC\u003c\/li\u003e\n\u003cli\u003eOutput current 80mA (40mA + 40mA)\u003c\/li\u003e\n\u003cli\u003eOutput 3.3V DC @ 150mA Non-Isolated LDO\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC @ 200mA Non-Isolated\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 37.15 x 15.56 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962661425324,"sku":"G141","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G141.jpg?v=1787131539"},{"product_id":"phase-shifted-full-bridge-controller-with-synchronous-rectification-using-ucc28950","title":"Phase-Shifted Full-Bridge Controller with Synchronous Rectification using UCC28950","description":"\u003cp\u003eThis Phase-shifted Full-Bridge controller with synchronous rectification carrier board contains all of the features necessary to implement a phase-shifted full-bridge with a synchronous rectification topology power converter. All inputs and output pins are accessible using a header connector. A High-efficiency DC-DC converter can be created using this carrier board + external H-Bridge and Transformer. Refer to the datasheet of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUCC28950\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand schematic to configure the various frequencies, current feedback, voltage feedback and delays.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating power supply 12V (Range 8V to 17V DC)\u003c\/li\u003e\n\u003cli\u003eInternal reference voltage 5V\u003c\/li\u003e\n\u003cli\u003eConverter switching frequency setting range, FSW (nom) 50-1000Khz\u003c\/li\u003e\n\u003cli\u003eProgrammable delay range between OUTA, OUTB and OUTC, OUTD set by resistors DELAB and DELCD and parameter KA(1) : 30ns-1000ns\u003c\/li\u003e\n\u003cli\u003eProgrammable delay range between OUTA, OUTF and OUTB, OUTE set by resistor DELEF, and parameter KEF(1): 30ns-1400ns\u003c\/li\u003e\n\u003cli\u003eProgrammable DCM range as percentage of voltage at CS(1) : 5% – 30%\u003c\/li\u003e\n\u003cli\u003eProgrammable TMIN range: 100ns-800ns\u003c\/li\u003e\n\u003cli\u003eEnhanced Wide Range Resonant Zero Voltage Switching (ZVS) Capability\u003c\/li\u003e\n\u003cli\u003eDirect Synchronous Rectifier (SR) Control\u003c\/li\u003e\n\u003cli\u003eLight-Load Efficiency Management Including\u003c\/li\u003e\n\u003cli\u003eBurst Mode Operation\u003c\/li\u003e\n\u003cli\u003eDiscontinuous Conduction Mode (DCM), Dynamic SR On and Off Control with Programmable Threshold\u003c\/li\u003e\n\u003cli\u003eProgrammable Adaptive Delay\u003c\/li\u003e\n\u003cli\u003eAverage or Peak Current Mode Control with Programmable Slope Compensation and Voltage Mode Control\u003c\/li\u003e\n\u003cli\u003eNaturally Handles Pre-Biased Start Up with DCM Mode\u003c\/li\u003e\n\u003cli\u003eClosed Loop Soft Start and Enable Function\u003c\/li\u003e\n\u003cli\u003eProgrammable Switching Frequency up to 1 MHz with Bi-Directional Synchronization\u003c\/li\u003e\n\u003cli\u003e(±3%) Cycle-by-Cycle Current Limit Protection with Hiccup Mode Support\u003c\/li\u003e\n\u003cli\u003e150-µA Start-Up Current\u003c\/li\u003e\n\u003cli\u003eVDD Undervoltage Lockout\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range –40°C to +125°C\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 36.20 x  25.24 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnections: Connectors CN1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePin 1 VS = Voltage Sense (Voltage Feedback)\u003c\/li\u003e\n\u003cli\u003ePin 2 VCC = Power Supply 12V DC (Range 8V-17VDC)\u003c\/li\u003e\n\u003cli\u003ePin 3 = GND\u003c\/li\u003e\n\u003cli\u003ePin 4 = Enable\/Soft start\u003c\/li\u003e\n\u003cli\u003ePin 5 = Output A\u003c\/li\u003e\n\u003cli\u003ePin 6 = Output B\u003c\/li\u003e\n\u003cli\u003ePin 7 = Output C\u003c\/li\u003e\n\u003cli\u003ePin 8 = Output D\u003c\/li\u003e\n\u003cli\u003ePin 9 = Output E\u003c\/li\u003e\n\u003cli\u003ePin 10 = Output F\u003c\/li\u003e\n\u003cli\u003ePin 11 = SYNC\u003c\/li\u003e\n\u003cli\u003ePin 12 = GND\u003c\/li\u003e\n\u003cli\u003ePin 13 = Current Sense (Current Feedback)\u003c\/li\u003e\n\u003cli\u003ePin 14 = VREF 5V DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962784829612,"sku":"G142","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G142A.jpg?v=1787132654"},{"product_id":"high-current-dc-dc-converter-12v-6a-output-from-16v-to-38v-dc-input","title":"High Current DC-DC Converter – 12V\/6A Output from 16V to 38V DC Input","description":"\u003cp\u003eThe project presented here is a low quiescent current, synchronous buck converter featuring the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLTC3807\u003c\/strong\u003e. This DC-DC converts a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16V to 38V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput voltage to a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput. The main features of this board include an internal LDO for gate drive power from V\u003csub\u003eIN\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eor EXTVCC, RUN pins, a mode selector jumper CN1 that allows the converter to run in constant current mode (CCM), pulse-skipping or Burst Mode operation, and selectable current limit. Output is fixed and provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebut it supports an adjustable output voltage. Refer to the datasheet below to learn more about the adjustable output. The circuit has also soft-start and tracking. The wide input voltage range of 16V to 38V is suitable for automotive and distributed DC power systems where the low quiescent current is essential. The operating frequency is set to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e120Khz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eusing resistor R6. MOSFETs are mounted under the PCB for easy heatsink mounting, it is important to use a heatsink for a full current load.\u003c\/p\u003e\n\u003ch3\u003eMain Control Loop\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLTC3807\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses a constant frequency, current mode step-down architecture. During normal operation, the external top MOSFET is turned on when the clock for that channel sets the RS latch and is turned off when the main current comparator, I\u003csub\u003eCMP\u003c\/sub\u003e, resets the RS latch. The peak inductor current at which I\u003csub\u003eCMP\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003etrips and resets the latch is controlled by the voltage on the I\u003csub\u003eTH\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003epin, which is the output of the error amplifier, EA. The error amplifier compares the output voltage feedback signal at the V\u003csub\u003eFB\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003epin (which is generated with an external resistor divider connected across the output voltage, VOUT, to ground) to the internal\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.800V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ereference voltage. When the load current increases, it causes a slight decrease in V\u003csub\u003eFB\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003erelative to the reference, which causes the EA to increase the I\u003csub\u003eTH\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003evoltage until the average inductor current matches the new load current. After the top MOSFET is turned off each cycle, the bottom MOSFET is turned on until either the inductor current starts to reverse, as indicated by the current comparator IR, or the beginning of the next clock cycle.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide VIN Range: 16V to 38V (40V Abs Max)\u003c\/li\u003e\n\u003cli\u003eOutput 12V DC Load Up to 6Amps\u003c\/li\u003e\n\u003cli\u003eLow Operating IQ: 50μA\u003c\/li\u003e\n\u003cli\u003eOutput Voltage 12V (Adjustable Range: 0.8V ≤ VOUT ≤ 24V Read Note 2)\u003c\/li\u003e\n\u003cli\u003eFrequency 120khz\u003c\/li\u003e\n\u003cli\u003eSelectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Load\u003c\/li\u003e\n\u003cli\u003eOver Current Limit\u003c\/li\u003e\n\u003cli\u003eEfficiency up to 95%\u003c\/li\u003e\n\u003cli\u003eVery Low Dropout Operation: 99% Duty Cycle\u003c\/li\u003e\n\u003cli\u003eInbuilt Soft-Start\u003c\/li\u003e\n\u003cli\u003eOutput Overvoltage Protection\u003c\/li\u003e\n\u003cli\u003eLow Shutdown IQ: 14μA\u003c\/li\u003e\n\u003cli\u003eInternal LDO Powers Gate Drive from VIN or EXTVCC\u003c\/li\u003e\n\u003cli\u003eNo Current Foldback During Start-Up\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 71.44 x 41.75mm\u003c\/li\u003e\n\u003cli\u003e4 x 3mm Mounting Holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962801017004,"sku":"G143","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G143.jpg?v=1787133230"},{"product_id":"12v-step-up-dc-dc-converter-from-1-8v-to-5v-input","title":"12V Step-Up DC-DC Converter from 1.8V to 5V Input","description":"\u003cp\u003eThis is a DC\/DC converter that combines a traditional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003evoltage feedback\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eloop and a unique\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003ecurrent feedback\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eloop to operate as a constant-current, constant-voltage source. The project has been designed using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT1618\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip. The board provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\/150mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput, from input supply\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.8V to 5V\u003csub\u003eDC\u003c\/sub\u003e\u003c\/strong\u003e. The LT1618 uses a constant frequency, current mode control scheme to provide excellent line and load regulation.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 1.8V to 5V\u003c\/li\u003e\n\u003cli\u003eOutput 12V @ 150mA\u003c\/li\u003e\n\u003cli\u003eBoost Converter with 500mA Input Current Limit\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 1.4Mhz\u003c\/li\u003e\n\u003cli\u003eEfficiency up to 80%\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Input and Output\u003c\/li\u003e\n\u003cli\u003eLow Profile, small size PCB\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 18.89 x 14.13mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT1618\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estep-up DC\/DC converter combines a traditional voltage feedback loop and a unique current feedback loop to operate as a constant-current, constant-voltage source. This fixed frequency, current mode switcher operates from a wide input voltage range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.6V to 18V\u003c\/strong\u003e, and the high switching frequency of\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e1.4MHz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epermits the use of tiny, low-profile inductors and capacitors. The current sense voltage is set at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50mV\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand can be adjusted using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eI\u003csub\u003eADJ\u003c\/sub\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epin.\u003c\/p\u003e\n\u003ch3\u003eConnections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePin 1 = Input Supply 1.8V To 5V DC\u003c\/li\u003e\n\u003cli\u003ePin 2 = GND\u003c\/li\u003e\n\u003cli\u003ePin 3 = GND\u003c\/li\u003e\n\u003cli\u003ePin 4 = Output 12V DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962828673196,"sku":"G144","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G144.jpg?v=1787135471"},{"product_id":"12-75v-input-to-10v-output-dc-dc-buck-converter","title":"12-75V Input to 10V Output DC-DC Buck Converter","description":"\u003cp\u003eThis is a versatile synchronous Buck DC\/DC converter built using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5007\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip. It operates with an input voltage range\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V to 75V\u003csub\u003eDC\u003c\/sub\u003e\u003c\/strong\u003e, and provides 10V\/250mA output. The regulator can provide load current up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e400mA\u003c\/strong\u003e, but it is advisable to draw only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e250mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edue to the small thermal area (small PCB). The default output of the converter is set to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10V\u003c\/strong\u003e\u003csub\u003e\u003cstrong\u003edc\u003c\/strong\u003e\u003c\/sub\u003e. The output is adjustable by changing the feedback resistor values\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR4.\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eYou may refer to the datasheet of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5007\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip for more info.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Input Voltage Range of 12 V to 75 V\u003c\/li\u003e\n\u003cli\u003eOutput 10V @ 250mA (Output Up to 400mA with forced air)\u003c\/li\u003e\n\u003cli\u003eAdjustable Output Voltage\u003c\/li\u003e\n\u003cli\u003eHigh-Efficiency Operation\u003c\/li\u003e\n\u003cli\u003eAdaptive Constant On-Time Control Architecture\u003c\/li\u003e\n\u003cli\u003eUltra-Fast Transient Response\u003c\/li\u003e\n\u003cli\u003eNo Control Loop Compensation Required\u003c\/li\u003e\n\u003cli\u003eNearly Constant Switching Frequency\u003c\/li\u003e\n\u003cli\u003ePWM On-Time Varies Inversely with Input Voltage\u003c\/li\u003e\n\u003cli\u003eLow Input Quiescent Current\u003c\/li\u003e\n\u003cli\u003eInherent Protection Features for Robust Design\u003c\/li\u003e\n\u003cli\u003eIntelligent Current Limit Protection\u003c\/li\u003e\n\u003cli\u003eV\u003csub\u003eC\u003c\/sub\u003e\u003csub\u003eC\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eand Gate Drive U\u003csub\u003eVLO\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eProtection\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown Protection with Hysteresis\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 20 x 14.29mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962841485484,"sku":"G145","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G145.jpg?v=1787135851"},{"product_id":"step-up-dc-dc-converter-12v-output-5v-input","title":"Step Up DC-DC Converter 12V Output – 5V Input","description":"\u003cp\u003eThis high-performance, fixed frequency, current-mode PWM step-up DC\/DC converter efficiently produces\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom input voltages between\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.6V to 5.5V\u003c\/strong\u003e. The project is built using the PAM2423 chip, which includes an integrated power MOSFET that supports a peak current of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.5A\u003c\/strong\u003e.  The IC utilizes simple external loop compensation allowing optimization between component size, cost, and AC performance across a wide range of applications. Additional functions include an externally programmable soft-start function for easy inrush current control, internal over-voltage protection (OVP), cycle-by-cycle current limit protection, under-voltage lock-out, and thermal shutdown.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 5V DC (Range 3.6V to 5.5V)\u003c\/li\u003e\n\u003cli\u003eOutput 12V DC\u003c\/li\u003e\n\u003cli\u003eLoad Current Up to 500mA\u003c\/li\u003e\n\u003cli\u003eOutput Power LED\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 35.08 X 31.12MM\u003c\/li\u003e\n\u003cli\u003eEfficiency Up to 90%\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 520Khz\u003c\/li\u003e\n\u003cli\u003eSoft-Start Function\u003c\/li\u003e\n\u003cli\u003eBuilt-in Over-Voltage Protection (OVP)\u003c\/li\u003e\n\u003cli\u003eUnder-Voltage-Lockout\u003c\/li\u003e\n\u003cli\u003eUnder Voltage Lockout Threshold 2.5V, Hysteresis 200mV\u003c\/li\u003e\n\u003cli\u003eOver-Current Protection – Threshold 5.5A\u003c\/li\u003e\n\u003cli\u003eThermal Shutdowns – Threshold 150 Degree Cent.\u003c\/li\u003e\n\u003cli\u003e4 X 2.5MM Mounting Holes\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 35.08 x 31.12mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnections and Other Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCN1: Pin 1 \u0026amp; 2 = V-Output 12V DC, Pin 3 \u0026amp; 4 = GND\u003c\/li\u003e\n\u003cli\u003eCN2: Pin 1 \u0026amp; 2 = V-Input 5V DC, Pin 3 \u0026amp; 4 = GND\u003c\/li\u003e\n\u003cli\u003eD2: Output LED\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47014816809132,"sku":"G148","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G148A.jpg?v=1787398301"},{"product_id":"24v-boost-converter-from-4-5v-to-20v-input","title":"24V Boost Converter from 4.5V to 20V Input","description":"\u003cp\u003eThe project presented here is a boost converter with 24V output from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4.5V to 20V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDC Input. The project is built using an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLT8357\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip and configured as a boost converter. Under voltage lockout, and soft-start are a few key features of the project. LED D1 indicates the output, and screw terminals are provided for easy output and input connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe LT8357\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a wide input range, current mode, and DC\/DC controller which can be configured as a boost, SEPIC, or flyback converter. The LT8357 drives a low-side N-channel power MOSFET with a 5V split gate drive. The current mode architecture allows adjustable and synchronizable 100kHz to 2MHz fixed frequency operation, or internal 19% triangle spread spectrum operation for low EMI. At light load, either pulse-skipping mode or low-ripple Burst Mode operation can be selected. Additional features include output power good and output short circuit protection in SEPIC and flyback configurations with a wide 3V to 60V input voltage range and 8μA low quiescent current, the LT8357 provides a simple, compact and efficient solution for automotive, industrial, and battery-powered systems.\u003c\/p\u003e\n\u003ch3\u003eConnections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCN1:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003ePin 1 = DC Supply Input 4.5V to 20V DC, Pin 2 = GND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCN2:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003ePin 1 = +24V DC Output, Pin 2 = GND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD2:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003ePower LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply Range 4.5V to 20V\u003c\/li\u003e\n\u003cli\u003eOutput 24V DC (Up to 2Amps)\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 200Khz\u003c\/li\u003e\n\u003cli\u003eUnder Voltage Lockout 4.3V\u003c\/li\u003e\n\u003cli\u003eEfficiency Up to 90-95%\u003c\/li\u003e\n\u003cli\u003eSoft Start Feature\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 46.04 x 30.80 mm\u003c\/li\u003e\n\u003cli\u003ePower LED On Output\u003c\/li\u003e\n\u003cli\u003e4 x 2.5mm Mounting Holes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47015024394412,"sku":"G149","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G14B.jpg?v=1787399016"},{"product_id":"usb-5v-to-dual-output-15v-or-12v-step-up-dc-dc-converter","title":"USB (5V) to Dual Output +\/-15V or +\/-12V Step-Up DC-DC Converter","description":"\u003cp\u003eThis USB to dual output step-up DC-DC converter has been designed to be used in industrial automation control equipment, sensors, isolated operational amplifiers and test \u0026amp; measurement equipment that require bipolar supply voltages. The module provides +\/-15V or +\/-12V DC load current up-to +\/-100mA. An onboard PCB solder jumper is provided to set the output voltage\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDC. The project typically provides 75 to 82% efficiency over most of the load range. It operates with current-mode feedback at 200Khz.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX743\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDC-DC converter IC contains all the active circuitry needed to build small, dual-output power supplies. Relying on simple two-terminal inductors rather than a transformer, the MAX743 regulates both outputs independently to within +\/-4% overall conditions of line voltage, temperature, and load current.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDC Input USB Power Or 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput Dual 15V Or 12V DC Load Up-to +\/-100mA\u003c\/li\u003e\n\u003cli\u003eEasy to Use USB Connector\u003c\/li\u003e\n\u003cli\u003eJ1 PCB Jumper To Set 15V or 12V Output\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Output\u003c\/li\u003e\n\u003cli\u003eEfficiency 75 to 82%\u003c\/li\u003e\n\u003cli\u003eOperation Frequency 200 kHz\u003c\/li\u003e\n\u003cli\u003eOn-Board Power LED\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 56.37 x 19.19mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47015145078956,"sku":"G150","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G150A.jpg?v=1787400264"},{"product_id":"boost-converter-5v-dc-input-12v-dc-output","title":"Boost Converter 5V DC Input – 12V DC Output","description":"\u003cp\u003eThis compact boost converter module that steps up a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V DC input to a 12V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput, utilizing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM2733\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eswitching regulator. The design emphasizes high power density through the use of the small\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSOT-23\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epackage, minimal inductor and capacitor sizes, and high switching frequencies\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.6 MHz\u003c\/strong\u003e. Protection is provided through cycle-by-cycle current limiting and thermal shutdown. Internal compensation simplifies design and reduces component count.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 12V DC\u003c\/li\u003e\n\u003cli\u003eMax Load Current: 330mA\u003c\/li\u003e\n\u003cli\u003eSwitching Frequencies: 1.6 MHz (X)\u003c\/li\u003e\n\u003cli\u003eCycle-by-cycle current limiting for safety and reliability\u003c\/li\u003e\n\u003cli\u003eCompact design with tiny capacitors and inductors for space efficiency\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 16.67 x 5.08 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign Insights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe LM2733’s internal switch, capable of handling up to 1A, contributes to the minimal power loss.\u003c\/li\u003e\n\u003cli\u003eThe small inductor and capacitors contribute to the high-power density, making the circuit suitable for space-constrained applications.\u003c\/li\u003e\n\u003cli\u003eThe high switching frequency allows for smaller passive components, reducing overall size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePotential Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePortable electronics requiring a 12V supply from a 5V source\u003c\/li\u003e\n\u003cli\u003eCompact power supply modules\u003c\/li\u003e\n\u003cli\u003eEmbedded systems with space and weight constraints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePin 1 = Power Input 5V DC, Pin 2 = GND, Pin 3 = Output 12V DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47193436913836,"sku":"G163","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G163.jpg?v=1789216437"},{"product_id":"50v-to-5v-7a-synchronous-buck-step-down-converter","title":"50V to 5V @7A Synchronous Buck (Step-down) Converter","description":"\u003cp\u003eThis module is a non-isolated 7A DC-DC converter. The module can convert any DC voltage between 7V to 50V to a 5V DC with load current up to 7A. The project has been designed around\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5116\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWide Range Synchronous Buck Controller IC. The design includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6uH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etoroid inductor and two N channel MOSFETS. The operating frequency is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e250 KHz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLM5116\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a synchronous buck controller intended for step-down regulator applications from a high-voltage or widely varying input supply. The control method is based upon current mode control utilizing an emulated current ramp. Current mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease-of-loop compensation. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high-input voltage applications.\u003c\/p\u003e\n\u003cp\u003eThe operating frequency is programmable from 50 kHz to 1 MHz and the LM5116 drives external high-side and low-side NMOS power switches with adaptive dead-time control. A user-selectable diode emulation mode enables discontinuous operation mode, for improved efficiency at light load conditions. A low quiescent current shutdown disables the controller and consumes less than 10 µA of total input current.\u003c\/p\u003e\n\u003cp\u003eAdditional features include a high-voltage bias regulator, automatic switch-over to external bias for improved efficiency, thermal shutdown, frequency synchronization, cycle-by-cycle current limit, and adjustable line under-voltage lockout. The device is available in a power enhanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHTSSOP-20\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epackage featuring an exposed die attach PAD to aid thermal dissipation.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide Operating Range 7V – 50V\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eLoad Current Up To 7Amps\u003c\/li\u003e\n\u003cli\u003eThermal Shutdown\u003c\/li\u003e\n\u003cli\u003eOperating Frequency 250Khz\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 45.04 x 22.82 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47196587098284,"sku":"G164","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G164.jpg?v=1789273894"}],"url":"https:\/\/dotfry.com\/collections\/dc-dc-converter.oembed?page=3","provider":"dotfry","version":"1.0","type":"link"}