Multi-Output Power Supply (Output 12V, 5V, 3.3V, 1.2V to 10V)

The multi-output power supply is a very useful project for hobbyist, the small module provides 12V, 5V, 3.3V, and 1.2 V to 10V adjustable from 15V  to 30V 3A DC input. If you have a spare laptop power adapter can help as an input power source. Can power many Arduino projects. The project has been designed using LM2576ADJ, LM317-ADJ Regulator.


  • Output 1:  12V 1.5Amp
  • Output 2:  5V-500mA
  • Output 3  3.3V-500mA
  • Output 4:  1.2V-10V 500mA
  • Input 15V-30V DC OR DC Jack for Laptop SMPS 19V DC (3Amps)

Download PDF PCB Layout

Gerber File for This Project Available On Request

Schematic LM2576ADJ, LM317-ADJ