Xiaofan Chen wrote: > For high speed digital output with high driving capability (say Pulse > Train Output with 100KHz and 3A driving capability), this can be a > challenge. Typically the integrated high side switches can not swith > very fast. LMD18200.. And yes it can do digital output. -forrest -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist