Mark Walsh wrote: > > The only gotcha's with the LT parts are using good coils and Schottky > diodes. Otherwise, they are pretty straightforward. > > Mark Walsh Another is that the schottky's have to be rated @ at least 3X max current (as per spec sheet). 15A schottky's are not cheap, and come in TO220 only. BTW, New Japan Radio makes a switcher in a SO8 package with a 1.5A switch built-in. The price is around US$0.60. Try to buy a Linear part for that price... -- Friendly Regards /"\ \ / Tjaart van der Walt X ASCII RIBBON CAMPAIGN mailto:tjaart@wasp.co.za / \ AGAINST HTML MAIL |--------------------------------------------------| | Cellpoint Systems SA | | http://www.cellpt.com | |--------------------------------------------------| | http://www.wasp.co.za/~tjaart/index.html | |Voice: +27-(0)11-622-8686 Fax: +27-(0)11-622-8973| | WGS-84 : 26¡10.52'S 28¡06.19'E | |--------------------------------------------------|