On Mon, Oct 31, 2011 at 5:03 PM, Dwayne Reid wrote= : > At 04:24 PM 10/31/2011, M.L. wrote: > >>Possibly useless anecdote: I designed a buck converter based on the >>TL432. Regulation was "perfect" but efficiency wasn't so great. >>Extremely cheap I'd say. > > I assume that you meant TL431 rather than TL432? > "The TL432 has exactly the same functionality and electrical specifications as the TL431, but has different pinouts." from http://www.ti.com/product/tl432 --=20 Regards, Mark markrages@gmail --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .