Synchronous Boost Converter 12V Input to 24V Output @ 2A
https://www.electronics-lab.com/project/synchronous-boost-converter-12v-input-to-24v-output-2a/
This 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.
Simple SMPS, 85-265VAC Input with Output 12VDC @ 750mA
https://www.electronics-lab.com/project/simple-smps-85-265vac-input-with-output-12vdc-750ma/
This is a compact Switch-Mode Power Supply (SMPS) using the TNY266 chip for cost-effective solutions like power adapters and LED drivers. It includes a rectifier, TNY266 switch, and PC817 optocoupler feedback. It requires no auxiliary power.
Step-Up DC-DC Converter – 9V Output @ 500mA
https://www.electronics-lab.com/project/step-up-dc-dc-converter-9v-output-500ma/
This project uses the LM2700 step-up DC/DC converter to efficiently generate a 9V output from a single Li-Ion battery. The compact board is an efficient replacement for 9V batteries (PP3), operating stably at up to 1.25 MHz for high efficiency.
Space-Efficient 12V Boost DC-DC Regulator using LM2735X
https://www.electronics-lab.com/project/space-efficient-12v-boost-dc-dc-regulator-using-lm2735x/
This is a Step-up DC-DC converter that converts 3V to 5.5V input to 12V output for up to 200mA load current. The project consists of LM2735X 1.6MHz DC-DC switching converter. Features Input Supply 3V to 5.5V Output 12V DC Load Current Up to 200mA Operating Frequency 1.6Mhz Internal Soft Start Internal Compensation Current-Mode Control 4Pin […]
Boost Converter 5V DC Input – 12V DC Output
https://www.electronics-lab.com/project/boost-converter-5v-dc-input-12v-dc-output/
This project is a compact boost converter circuit that steps up a 5V to 12V DC output using the LM2733 regulator. It achieves high power density with a small SOT-23 package, minimal components, and high-frequency switching. It also includes current limiting and thermal protection.
Buck Converter 12V-76V Input, 5V DC Output
https://www.electronics-lab.com/project/buck-converter-12v-76v-input-5v-dc-output/
A buck converter board has been developed utilizing the BD9G341AEFJ, a non-synchronous DC/DC converter. This board accepts a wide input voltage range of 12V to 76V DC and generates a regulated 5V DC output. The BD9G341AEFJ features an integrated 150mΩ N-channel MOSFET and a programmable switching frequency, adjustable from 50kHz to 750kHz. On this board, […]
Isolated Power Supply with 24V Input and Dual 15V Output
https://www.electronics-lab.com/project/isolated-power-supply-with-24v-input-and-dual-15v-output/
This isolated power supply features the SN6507 chip, a push-pull isolation transformer driver, which provides a reliable and efficient power conversion solution. The power supply comprises a transformer, rectifier circuit, and isolation transformer T1, which separates the input and isolated output, ensuring electrical isolation and preventing high voltages and noise from interfering with or damaging […]
Multi Output Step-Down Converter – Input 18-24V and Output 3.3V, 5V, 12V
https://www.electronics-lab.com/project/multi-output-step-down-converter-input-18-24v-and-output-3-3v-5v-12v/
This is a fantastic project for makers, offering multiple output options of 3.3V, 5V, and 12V, with an input of 18-24V DC. This project is built around the MP2451 high-frequency (2Mhz) step-down switching regulator, ensuring efficient and reliable power conversion. For added convenience, a header connector is provided for outputs and input supply, while a […]
±340V DC Output, 15V DC Input, Isolated Flyback Converter
https://www.electronics-lab.com/project/%c2%b1340v-dc-output-15v-dc-input-isolated-flyback-converter/
The project presented here is an isolated flyback converter featuring the LT3748 chip from Analog Devices. The circuit is designed for a +/-340V DC (2 x 340V) output from a 7V to 15VDC input. The output current is up to 2 x 8mA. The board senses the isolated output voltage directly from the primary side […]
High Current DC-DC Converter – 12V/6A Output from 16V to 38V DC Input
https://www.electronics-lab.com/project/high-current-dc-dc-converter-12v-6a-output-from-16v-to-38v-dc-input/
The project presented here is a low quiescent current, synchronous buck converter featuring the LTC3807. This DC-DC converts a 16V to 38V input voltage to a 12V at 6A output. The main features of this board include an internal LDO for gate drive power from VIN or EXTVCC, RUN pins, a mode selector jumper CN1 […]