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can lm7805 voltage regulator be used for providing electrical isolation?

at89atbits

Sep 20, 2014
39
Joined
Sep 20, 2014
Messages
39
Hi,
I am designing a circuit which needs electrical isolation from the power supply network.
However I am using laptop USB port for the 5V supply.
Is isolation necessary even in this case?
can lm7805 be used for isolation?
 
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