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About mayhem13

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Help Me With A Power Supply - DIY?

by mayhem13 on 01-06-2013 at 05:56 PM
Quote Originally Posted by sandyk View Post
Jud
If you intend running the supply at more than 1.5A continuous, you will need to increase the size of the heatsink. This can be done using the same schematic and parts count by arranging the parts on the PCB differently as in the attached photo.
The PCB on the right was a much earlier home brew JLH PCB. Commercial PSU designs rated for up to 2.5A or 3A often don't have adequate heatsinking for running at higher currents constantly, although they can handle peak currents O.K.

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