> What I'm trying
> to decide is whether I design one extra daughterboard for 
> voltage regulation
> or if I include voltage regulation in each one of the 
> daughterboards. 

I would supply the raw voltage to the separate boards. If you need a
clean power somewhere this might even be the only option.

Note that the diode drop problem can be overcome by either
- providing limited current and having a fools diode on each board
- using a P-MOSFET

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist