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In Reply to: RE: Power supply design for low power PC posted by John Swenson on January 6, 2009 at 14:03:52:
the word on the sound card (which i ordered today) is that it draws a max of about 20 watts on the 12 and 5v lines combines, but "typically much less". this from a 3rd party source who is reviewing the card, and probably got the info from a legit source.
i bought the big 12v tranny that you mentioned 36-2200, and what i think are some bigger heatsinks than you speced (to use for the 5 v line. i may try it as is, and see how it sounds just connected to the molex from the antec psu that came with my fusion case, so in case it sounds horrid, i won't waste the effort on the psu.
most of the parts are pretty cheap, and look like worthwwhile parts-bin inventory anyway, so if you;re game to do some tweeking, so am i. the card may be here in time for the weekend, so we shall see what happens.
sounds like i may be able to get away with building the supply pretty much as-designed, but using two chokes and maybe even two of everything except the tranny for the two different voltages. we shall see......
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Follow Ups
- RE: Power supply design for low power PC - mschneider 01/6/0914:13:57 01/6/09 (1)
- RE: Power supply design for low power PC - John Swenson 16:51:32 01/6/09 (0)
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