>> Hey Roman hows the high voltage version coming? >> I am in need of a smps that can take 200 - 300 DC volts input and deliver >> ~13.6Vdc out at 10 amps > >I'd think really hard about using something else for a design of that >voltage and power level. I suspect Roman may agree. Well I certainly agree. With that voltage ratio I suspect you are really into a transformer than a single inductor, especially with that load current requirement. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.