flier(at)sbcglobal.net Guest
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Posted: Mon Jan 08, 2007 4:17 pm Post subject: 5V Converter (Off Topic) do not archive |
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Hey Nick,
You're understating the 7805's ability! You can easily draw 400mA from an
LM7805 with a small aluminum heatsink, say 2" sq. They're thermally
protected and nearly foolproof. I've never had one fail over the years and I
use them by the dozens in all kinds of supplies. They're all over my shop.
I power an iPaq 4350 and HX2715 all the time with them. If the PDA draws
less than a half amp a 7805 will work fine. If the PDA requires over an amp
(when the battery is dead or the display is cranked) then maybe another
device would be better.
Regards,
Ted
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