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  1. B

    12V DC to 5V DC iPhone Charging

    http://www.onsemi.com/pub_link/Collateral/LM2575-D.PDF found this. any good?
  2. B

    12V DC to 5V DC iPhone Charging

    Thanks for that bob. In what order would i wire that in order to get 5V? I really am a newbie with all this and google hasnt thrown up much. Thanks for your advice
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    12V DC to 5V DC iPhone Charging

    So something like one of these switching regulators would be better? http://uk.rs-online.com/web/p/switching-regulators/6727124/ http://uk.rs-online.com/web/p/switching-regulators/6664379/ (I'm based in the UK and eBay is a bit sparse)
  4. B

    12V DC to 5V DC iPhone Charging

    Hi Guys, I'm new here, not done much with electronics except A-Level physics and my own research. I'm trying to build a circuit to use a 12V 7ah battery to charge my iPhone 5 which I have found requires a stable 5V supply and i can charge at up to 2.1Amps. (10Watts) Would the best way...
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