Adjustable Power Supply with Charger Output

August 31, 2010 - category: Power supplies
Adjustable Power Supply with Charger Output circuit diagram

Notes

This power supply has adjustable and charger output. The charger circuit can be use for cellular phone. The adjustable output serves as multipurpose power supply. It can handle a 1 ampere current. The 317 must have a heat sink.

PCB Layout

PCB Layout

Parts List

  • Semiconductor:
  • LM 317 - 1pc
  • LED - 1pc
  • 1N 4001 - 8pcs
  • Capacitors:
  • 25V/470uF - 1pc
  • 25V/10 uF - 1pc
  • Resistors:
  • 1k, 1/2W - 1pc
  • 220R, 1/2W - 1pc
  • 5kR Potentiometer - 1pc
  • Others:
  • 1Ampere, Multi-tap Transformer - 1pc
  • AC Chord - 1pc
  • Casing - 1pc
  • #22 Stranded Wire - 3m
  • Heatsink for TO220

Author and source

author: Milardo de Guzman
source: www.zen22142.zen.co.uk

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