The UK Home Automation Archive

Archive Home
Group Home
Search Archive


Advanced Search

The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

RE: Old PC PSU as power supply for VFD


  • Subject: RE: Old PC PSU as power supply for VFD
  • From: "Des Gibbons" <des@xxxxxxxxxxxx>
  • Date: Mon, 12 Apr 2004 22:55:13 +0100



> -----Original Message-----
> From: Phil Harris [mailto:phil@xxxxxxx]
>
> > The 5v standby circuit is not designed to supply a large
> > current, also, the fan is not running when the psu is in
> > standby mode, double check what current you can safely draw
> > from the 5v standby circuit to keep in-spec.
> >
> > My gut feeling is that you should have no problem, although I
> > have seen some vfd's that draw nearly an amp ;)
>
> PC PSU should be able to supply more than that in standby anyway
> as I think
> there's a 720mA @ 5v allowance for Wake On LAN, a 1,000mA
> allowance for wake
> on USB and a 720mA allowance for wake on modem...
>
> ...I'm sure I remember something about that in the manual for the
> last mobo
> I bought.

It is entirely psu dependant, most modern beefy psu's will supply 2.0 amp
sustained, 2.5amp max. on the +5VSB

Older psu's, well if you can check the maximum current, do, if you can't,
errr find a psu you can check ;)

Cheers, Des.




UKHA_D Main Index | UKHA_D Thread Index | UKHA_D Home | Archives Home

Comments to the Webmaster are always welcomed, please use this contact form . Note that as this site is a mailing list archive, the Webmaster has no control over the contents of the messages. Comments about message content should be directed to the relevant mailing list.