Sunday, July 11, 2010

Make your own Variable DC Power Supply

A variable DC power supply is the most useful tool on a hobbyist's workbench, because different electronics projects sometime require different DC supply. National semiconductor's LM350 IC can provide a variable DC voltage ranging from 1.25 to 33V with the use of just two external resistors. It can provide current up to 3.0A if properly heat-sinked.

This project uses a LM350 IC to generate a variable DC voltage from 1.25-18V. My finished product looks like this.

For more details about this project, visit this.

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