On Tue, 12 Feb 2002, Andrei B. wrote: > Another way to do it is to use a dedicated MOSFET driver which contains > a charge pump to create the necessary high gate drive voltage. One such > circuit is the MAX622 (see http://www.maxim-ic.com). > > I seen recommendations for it on some pages, but never used it as it's > not available from any retailer here in Romania. > Andrei, maybe that's because romanians know to compute and design easily a step-up driving transformer for any MOSFET or better to use bipolar transistors, cheapest and easyest to drive ( but with problems at really high currents... ) regards, Vasile -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.