> Does anyone have [seen] such a schematic

Do you have any objection to a normal step-down transformer,
size for example, or would you want to try a switch-mode ?

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads