In Reply to: Re: Simple switching power supply posted by Russ Kincaid on 11/05/02 at 8:49 AM:
Hi!
A very low cost alternativ is the "TOPSwitch-FX Family" of Power-Integrations (www.powerint.com)
"TOP232" for example is in a TO220 case and could switch 15W. "TOP234Y" is able to switch 75W.
The datasheets are filled with many examples of many supply types.