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uA7805 Linear Regulator

Other Parts Discussed in Thread: LM317

Can anyone point me to an application circuit for adding a pass transistor (like a 2N3055) for added current availibility from a uA7805?

I am also interested in the math in calculation any needed for any additional components (like biasing resistirs).

The application is for about a continuous 2A  @ 5V.

Thanks

 

John