Olin Lathrop ha scritto: > [...] The guiding equation for inductive switching power supply is: > > Volt Sec > Amps = -------- > Henries back to this very good explanation: Olin, may i ask your permission to forward this post to Microchip forum, with proper credits? I learnt a lot about making up a DC-DC converter using a Micro with this one - I was never into building one but.. I'm storing this piece of info. And IMO it may be useful to others as well. Dario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist