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12-18 volt dc supply

Discussion in 'Beginner Electronics' started by Gene Hudson, Dec 12, 2006.

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  1. Gene Hudson

    Gene Hudson Guest

    I need a ac to dc supply that can supply up to 15 amps start up and 10 amps
    continuous with the voltage being variable from 12 to 18 volts. It will run
    with a 10 amp load for 20 min per day.

    I am comfortable assembling the supply, I just am not a circuit designer.

    Thank you,
  2. Gene Hudson

    Gene Hudson Guest

    I just went and measured the current draw and under a full load, it is 6
    amps, not the 10 I was told. It did peak to 9 on loaded startup, but will
    not realy be loaded when starting in my application.

  3. Ross Herbert

    Ross Herbert Guest

    If you have an old AT power supply from a PC you can easily rewind the
    the transformer to give the desired voltage and current without too
    much trouble. Silicon Chip magazine described such a project in
    October 2003
  4. Ross Herbert

    Ross Herbert Guest

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