Isolated Flyback Converter with 18V-28V Input and 12V Output
https://www.electronics-lab.com/project/isolated-flyback-converter-with-18v-to-28v-input-and-12v-output/
The project presented here is a micropower no-opto isolated flyback converter featuring the LT8304 chip from Analog Devices. This circuit outputs 12V and maintains tight regulation with a load current from 10mA up to 1A and over an input voltage from 18V to 28V. The project needs less than 0.5% of its full output power […]
Boost Converter – Input 3.3V, Output 5V@500mA
https://www.electronics-lab.com/project/boost-converter-input-3-3v-output-5v500ma/
The project presented here is a compact, high-efficiency, low-cost, and low-EMI step-up DC/DC module designed to replace LDO regulators. This small module not only saves on solution size and cost but also eliminates the need for a heatsink, occupying the same space as a TO-220 package and being pin-to-pin compatible with TO-220 regulators, such as […]
±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 […]
12-95V Input – 5V Output – High Voltage DC-DC Buck Converter
https://www.electronics-lab.com/project/12-95v-input-5v-output-high-voltage-dc-dc-buck-converter/
This is a versatile synchronous buck DC/DC converter built using the LM5008 chip. The operating input voltage range is 12V to 95V DC, providing 5V/120-350mA output. The regulator can provide a load current of up to 350mA, but it’s advisable to draw only 120mA due to the small thermal area on PCB (small PCB). The […]
12-75V Input to 10V Output DC-DC Buck Converter
https://www.electronics-lab.com/project/12-75v-input-to-10v-output-dc-dc-buck-converter/
This is a versatile synchronous Buck DC/DC converter built using the LM5007 chip. It operates with an input voltage range 12V to 75VDC, and provides 10V/250mA output. The regulator can provide load current up to 400mA, but it is advisable to draw only 250mA due to the small thermal area (small PCB). The default output […]
12V Step-Up DC-DC Converter from 1.8V to 5V Input
https://www.electronics-lab.com/project/12v-step-up-dc-dc-converter-from-1-8v-to-5v-input/
This is a DC/DC converter that combines a traditional voltage feedback loop and a unique current feedback loop to operate as a constant-current, constant-voltage source. The project has been designed using the LT1618 chip. The board provides 12V/150mA output, from input supply 1.8V to 5VDC. The LT1618 uses a constant frequency, current mode control scheme […]
Phase-Shifted Full-Bridge Controller with Synchronous Rectification using UCC28950
https://www.electronics-lab.com/project/phase-shifted-full-bridge-controller-with-synchronous-rectification-using-ucc28950/
This 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 […]
Isolator for SPI Interface with Inbuilt DC-DC Converter
https://www.electronics-lab.com/project/isolator-for-spi-interface-with-inbuilt-dc-dc-converter/
This simple, compact solution is ideal for isolated SPI data requiring communication across different ground potentials often found in Industrial PLCs (programmable logic controllers) and Instrumentation and data acquisition systems. Serial Peripheral Interface (SPI) is a protocol that is commonly used for communication between microcontrollers and peripheral ICs such as sensors, ADCs, DACs, and others. […]
Isolated RS485/RS422 Transceiver with Integrated DC-DC Converter
https://www.electronics-lab.com/project/isolated-rs485-rs422-transceiver-with-integrated-dc-dc-converter/
The project presented here is a galvanically isolated differential line transceiver with a built-in isolated DC-DC converter for TIA/EIA RS-485 and RS-422 applications. Both signal and power paths are isolated per UL1577 and are qualified for reinforced isolation per VDE, CSA, and CQC. The low-emissions, isolated DC/DC converter ensures the final system is capable of […]
Low-Cost Boost Converter 3.3V Input – 5V Output at 250mA
https://www.electronics-lab.com/project/low-cost-boost-converter-3-3v-input-5v-output-at-250ma/
This is a low-cost boost converter that converts a 3.3V input to 5V at 250mA load current. The LM2578A chip is used to build this project. The LM2578A is a switching regulator which can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost and inverting configurations. In this board, the […]