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source for switching dc-dc step down converter?

Discussion in 'Electronic Equipment' started by peter, May 19, 2007.

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  1. peter

    peter Guest

    I'm looking for a 12v to 7.2V (8v ok), 3A dc-dc converter - end product. I
    don't mind soldering on input/output cables but want to minimize the time
    modifying/building it.

    The usage - have a camera flash's external power pack that has a 6x NiCd
    battery pack that is aging. I want to power this unit with cheap and large
    capacity 12V SLA battery. Why 12V? They are easy to find and cheap, and I
    already have smart charger for 12V SLA. An in an emergency, I can yank the
    battery from my motorcycle.

    I would like to get a switching converter, meaning higher than 90%
    efficiency and not much generated heat.

    Could someone point me to a good online store to buy this kind of stuff?

    I've been using google/froogle to look but has not found many relavent hits.
  2. mike

    mike Guest

    6V sla batteries are cheap too. Do you really need a "smart" charger
    for a SLA?
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