lm317 adjustable power supply electronic project

Posted on Feb 7, 2014

By using a potentiometer, R2, as one of the resistors you can dial up the output voltage wanted. Either AC or DC input can be supplied to the Kit via a socket or terminal block. When external capacitors are used with any IC regulator it is good practice to add protection diodes to prevent the capacitors discharging back into the regulator in the e

lm317 adjustable power supply electronic project
Click here to download the full size of the above Circuit.

vent of abnormal operating conditions, like a sudden short circuit on the input or the output, or a back emf from an inductive load (D1 and D2).

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