Adjustable Power Supply with Charger Output

Posted in Voltage stabilizers, AC to DC, Battery charger, on 2015-06-02

Adjustable Power Supply with Charger Output

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

Adjustable Power Supply with Charger Output

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 

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Credits

Source , Author: Milardo de Guzman