Electronic dimmer as Variac

From: DaveC (me_at_privacy.net)
Date: 07/05/04


Date: Mon, 5 Jul 2004 08:31:18 -0700

I want to turn up a switching power supply slowly after repairing it, so as
to see if anything else is damaged. I have no Variac, and I could use the
series light bulb trick, but I already have a light dimmer I'm using as a
variable-temperature control for my soldering iron that could do double-duty
in this application.

I know that the SMPS, when running correctly, will be a load pulse at 75 kHx.
Has anyone tried using a dimmer as an "electronic variac"? Is it feasible?

Thanks,

-- 
DaveC
me@privacy.net
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Relevant Pages

  • Re: Electronic dimmer as Variac
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  • Re: Electronic dimmer as Variac
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