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 PSU: A Simple 5V Regulated Power Supply

 FM Radio Kit by Nina Gajjar


A Simple 5V 1A and 5V 100ma Regulated Power Supply

I always require a small test power supply for my hobby work. Considering that for my rough tests I can not use (or be allowed!!) expensive digital power supplies, I decided to make this small power supply which works with my 12V SMPS Adaptor which I already own.

Design uses One Large 78XX Regulator and One small 78LXX type of regulator.

DC connector will receive anything from 12 to 18V DC (From Laptop adaptor perhaps) and convert it to required output.

You may use following regulators with this board:

1Amp: 7805, 7806, 7808, 7809, 7810 and 7812.

100ma: 78L05, 06, 08, 10 and 12

If you wish to use 7812 or 78L12 to get 12V DC output, its recommended that you use 18V DC SMPS adaptor to power this board.

I hope this works for you too

Good Luck


Completed 5V 1A and 100ma Regulated Power Supply:

Click to enlarge
Simple 5V Regulated Power Supply Document & Schematic:
Schematic, Silk & Kit Parts List 

Color Schematic


Want to make your own boards? here are Gerber files in RS274X

 Datasheets of Parts used in this Project

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 Simple 5V Regulated Power Supply

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