On Tue, Sep 1, 2009 at 7:10 PM, Erich J. Ritzmann<[email protected]> wrote: > > For 5vdc 1 amp, I am using a 7805
A 7805 is a linear regulator, not a switcher. It is noticeably less efficient than a switcher. It is the easiest regulated supply to build, though. -Jason kg4wsv
