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rathaleng
Joined: 04 Sep 2008
Posts: 5
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 03 Oct 2008 10:29 wanted to charge a 5v 0.9amp battery |
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| hi all i am a student of electrical engineering. i have a phone which its adaptor labled 5v 0.9amp. i want to charge the battery from 12v. i mean i want you all to help me to convert 12v to 5v dc 0.9amp.
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fsmyth
Joined: 15 Nov 2004
Posts: 54
Helped: 1
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| 04 Oct 2008 1:25 wanted to charge a 5v 0.9amp battery |
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http://hmin.tripod.com/als/andysm/pages/analogs6.html#APS628
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satya_vijayawada
Joined: 17 Aug 2005
Posts: 134
Helped: 12
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| 04 Oct 2008 10:44 Re: wanted to charge a 5v 0.9amp battery |
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try 7805 regulator ( with a heat sink)
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