Philip Pemberton wrote: > Does the diode in a buck converter have to be a Schottky, or will (for > example) a 1N4001 be OK for testing? Only if you run in discontinuous mode. The 1N4001 has a rather slow reverse recovery time. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist