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A while ago I fashioned a lazy-man's bench power supply out of an old computer power supply. I simply lopped off the ATX main and grounded PS_ON with one of the 7 grounds (I don't remember why I just didn't take a couple of male pins and fashion a pluggable wire).
Over time, I'd make a mistake and short it out and to get it to power on again I would have to ground PS_ON to a different ground. I don't know a ton about the internal workings on a switch-mode PSU but my thinking is that each ground has a thermal fuse, so when it goes the ground is no longer connected. Is my thinking correct or wrong? Thanks!
Over time, I'd make a mistake and short it out and to get it to power on again I would have to ground PS_ON to a different ground. I don't know a ton about the internal workings on a switch-mode PSU but my thinking is that each ground has a thermal fuse, so when it goes the ground is no longer connected. Is my thinking correct or wrong? Thanks!