Re: A good source of 5 and 12 power supplies

Marcelo Puhl ( (no email) )
Tue, 17 Nov 1998 13:20:41 -2

> From: mbgupta@julian.uwo.ca
> Subject: A good source of 5 and 12 power supplies

> I was just fooling around with an old discarded PC when it occurred to me that
> these clunkers have a wonderful compact switching power supply (SPS) fan and
> all. I checked 2 PCs. The 220 Watt one can produce 8 amps at +12V and a
> wapping 23 amps at +5V while the other 145 Watt supply produced about half
> that!
>
> Chris Gupta
>

One thing that have to be watched : those power supplies sample the +5V for
voltage regulation.

If you only load the +12V output, the voltage drops a little.

They can be modified to get the feedback voltage from the +12V output, but
will loose the +5V regulation.

---Marcelo Puhlmark@plug-in.com.br