Tag: DC-DC
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...
Continue Reading12V 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...
Continue ReadingPhase-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...
Continue ReadingIsolator 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...
Continue ReadingIsolated 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...
Continue ReadingLow-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...
Continue ReadingStep Up DC-DC Converter 12V Output – 5V Input
This high-performance, fixed frequency, current-mode PWM step-up DC/DC converter efficiently produces 12V from input voltages between 3.6V to 5.5V. The project is built using the PAM2423 chip, which includes an integrated power MOSFET that supports a peak current of up to 5.5A. The...
Continue Reading3.3V-5A Output DC-DC Converter with 10 to 24V Input
The project published here is a synchronous step-down DC/DC converter based on the RT7258 chip. The chip has integrated high-side internal power MOSFET and gate driver for a low-side external power MOSFET. The board delivers 3.3V DC - 5A output current from 10V to 24V input supply....
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