Tag: 5V

Boost Converter – Input 3.3V, Output 5V@500mA

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...

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Universal Input AC/DC Switching Buck Regulator – 85V -265V AC Input – 5V/150mA DC Output

The project presented here is a universal input AC/DC switching buck regulator with ultra-low standby power that is capable of delivering up to 2.5W output power. The RAA223012 chip is the heart of the project which combines constant off-time control for heavy load and Pulse Frequency...

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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...

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5V – 4A Buck Converter using NR110E

This powerful buck converter can efficiently produce 5 V@4A with an input voltage between 7V to 31V. The project is built using the NR110E chip from Sanken Semiconductor. The IC integrates the power MOSFET. With current mode control, ultra-low ESR capacitors, such as ceramic...

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Multiple Output Power Source – Dual 10V (+/-10V), 5V DC, 3.3V DC from 9V Battery 

This is a multiple output power converter module that provides +/-10V (Dual 10V), 5V DC, and 3.3V DC from a 9V PP3 battery. This is a very useful project that has been designed for low-load current applications. Dual +/-10V output from a 9V battery is a key feature of the project. The...

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+/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input

This is a mini DC-DC converter with dual output from single 5V DC supply or USB power source (e.g., +/-18V 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 +/-18V with high...

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