25 Jul 2009 @ 3:34 AM 
 

Versatile Power Supply

 

Power Supply LM317T

We have used a preset at the adjust terminal (Pin 1) of 317 varying the value of preset the output of 317 varies linearly from 1.5 to 25 volts. The circuit is very simple to assemble and this supply can be used anywhere for prototyping, so that it fulfills the need for the power supply in many projects. It is very easy to use because it involves only two external capacitors, Resistors.

LED1 lights up to indicate the availability of output from the rectifier. Resister R=2.2K limits the current through LED1 to a safe value below 10mA. The output from the bridge rectifier is smoothened by 470uF capacitor. Capacitor C2 (0.1uF) bypasses high frequency ripple.

This Project was completed by my friends Sulabh Sethi, Rahul Sharma, Priyank Nagoriya and Rahul Nayak

For more details-devesh@electroons.com

Categories: Uncategorized Posted By: admin
Last Edit: 25 Jul 2009 @ 03 34 AM

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