18 Jan
2010
18 Jan
'10
6:07 p.m.
On Jan 18, 2010, at 8:13 PM, Chuck Guzis wrote:
Alternatively, one could use one of the switching
regulator ICs, such
as the Micrel MIC4576-5. Still a TO-220 package, but 5 leads and
> 70% efficiency requiring a couple of extra components.
I like the TI/PowerTrends PT78ST105. >85%, 1.5A, no external
components. About the size of a TO220+heatsink. Very, very nice
modules.
-Dave
--
Dave McGuire
Port Charlotte, FL