Hi-
I have used a 12V car bulb as a load -- probably slight light (no pun
intended) as the supply fails to start up sometimes.
David

Alvaro Deibe Diaz wrote:

>I've simply put a resistor (with sufficient power dissipation) in the
>+5V output. No problem so far.
>
>Usually, the +5V output is regulated, and the other outputs (-5, +12,
>-12) are not. They depend on the closed loop regulation of the +5V out.
>So expect some fluctuations in this lines.
>
>
>-----Mensaje original-----
>De: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]
>En nombre de Alan B. Pearce
>Enviado el: lunes, 24 de marzo de 2003 10:09
>Para: PICLIST@MITVMA.MIT.EDU
>Asunto: Re: using a PC power supply
>
>
>
>
>>We are trying to use a power supply from an old PC, and it looks like
>>it needs a certain amount of load in order to operate.  Our application
>>
>>
>
>
>
>>involves switching between several loads, and since some of the loads
>>don't consume much power, the power supply simply shuts off.  Does
>>anybody know of a way to modify the circuit, to avoid wasting energy?
>>
>>
>
>This is one problem with some of the early PC power supplies. Often the
>power supply fan was rated to draw sufficient power to be the minimum
>load. It generally does not need a lot of current draw to keep the
>supply working.
>
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