Switcher PS temperature...

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Fri Jan 14 13:24:44 2005

>From: "Eric Smith" <eric_at_brouhaha.com>
>
>Bill wrote:
>> Anyway, after about 10 minutes of
>> operation with the case open and the new PS sitting off
>> to one side (clear all around), the two heat sinks are too
>> hot to touch. Is that normal operation for this kind of
>> supply?
>
>No. They're expected to be hot, but you should be able to
>keep your fingers on them for a couple of seconds.
>
>WARNING: The heat sinks on open-frame switchers may be
>electrically hot as well as thermally.

Yes, like 400+ VDC with an ampere or 2 of capacity.
Dwight

>
>Eric
>
>
Received on Fri Jan 14 2005 - 13:24:44 GMT