hi, i`m making up a power supply , with four 78 XX series regulators and lm317 adjustable reg.
is it ok to bolt all these on the same heatsink without insulating washers ?
thanks, mark k
multiple voltage regulators on same hatsink ?????
Oct 31, 2008
4 Replies
egulators
ng
NO!
"mark krawczuk" wrote in news:-5CdnXf6U-
5uh5bUnZ2dnUVZ snipped-for-privacy@adnap.net.au:
It's probably ok with the 78xx types, if they all ground to the same place because GND is on the tab and centre pin. Mount the LM317 on insulators though. If in ANY doubt about the chassis potential, insulate all devices.
NO.
Graham
Just be careful about where currents flow to and from.
Graham
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