"Watson A.Name - Watt Sun, Dark Remover" wrote in
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In article ,
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I did this a while back. Replaced the 7806 in the wall wart with a 7805.
Wade

Yeah, but I've got four or five of them and I didn't want to crack
them open and then have to deal with the hassles of a case that's no
longer solidly sealed. And besides, they were only two bucks apiece.
I may bave paid more for their shipping.

Also, I bot four of the 6VDC unregulated wall warts at the same time,
and they have about 7 or 8V output unloaded. I don't think they have
enough voltage to allow a 7805 to work properly, at least not up to
200 mA, because the DC voltage drops down to near 6V at that current.

But 6VDC is a convenient value, used by a lot of equipment that has
four AA cells. So I have them just in case I want to 'electrify' one
of those ol' radios or whatever.


You can get low dropout regulators that will give you a stable 5v from a 6v
input, they're just less common.