I'm in the habit of doing a copper pour on both sides of the board after
I have all my traces (except ground) routed. The copper pour handles
ground. I then screw the regulator down (using a SilPad or similar heat
sink pad and a nylon screw if the tab is not grounded (like on a 7900
series regulator)). This is a cheap heatsink!

Harold


FCC Rules Online at http://hallikainen.com/FccRules
Lighting control for theatre and television at http://www.dovesystems.com

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