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Unread 27-07-2005, 09:54
BrianBSL BrianBSL is offline
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Re: the best power regulator

Quote:
Originally Posted by sparksandtabs
so if i used a 12 volt in put and get +5volts as an output then what do i use as ground?
On a 7805, and most regulators, the grounds are tied togeather. on a TO-220 package, the metal tab is usually internally connected to the ground as well (so make sure you don't short anything out on it).