Thanks Mike! Cheerful regards, Bob On Thu, Aug 2, 2012, at 09:23 AM, Mike Harrison wrote: > On Thu, 02 Aug 2012 09:03:03 -0700, you wrote: >=20 > >I'm looking for a switching regulator chip. Something inexpensive like > >the MC34063, but not limited to 100 KHz because I need to reduce the > >physical size of my layout, especially the inductor. Not having to use a > >current sense resistor would be nice too. > > > >The basic operating parameters will be 8V in, 3.3V out, at 1 amp. > > > >It doesn't have to be as cheap as the 34063, three times as much (US > >prices) would be OK if the rest of it were fantastic. >=20 > AOZ1051 (Digikey), no diode needed, cheap ceramic caps, small inductor.=20 > That;s a 3A part - may be some others in the series that are cheaper for > your power requirement. --=20 http://www.fastmail.fm - Or how I learned to stop worrying and love email again --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .