On Thursday, October 27, 2011 10:47 AM, "James Newton" wrote: > Bottom line: TB6560 =3D 2 separate power supplies and the first one has t= o > turn on the second one after a time delay. OR... it's going to fry > eventually. No? Probably OK 99% of the time to violate the spec, but due to some shortcuts by Toshiba, it will sometimes do damage. Is it a particularly affordable part? Friendly regards, Bob --=20 http://www.fastmail.fm - Same, same, but different... --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .