At 12:21 PM 3/12/2003 -0600, you wrote: >-------Original Message------- >From: William Chops Westfield >Sent: 03/12/03 10:43 AM >To: PICLIST@MITVMA.MIT.EDU >Subject: Re: 7905 getting hot! > > >(OTOH, there ARE 3-terminal switching regulators designed to >drop into 7805 footprints, and they're certainly NOT cheap.) > > >Any suggested part number(s) to look at? http://www.ti.com Power Trends, now part of Texas Instruments. e.g. PT78Sxx series, but there are dozens of part numbers. They are NOT cheap, about FIFTY times the price of a 78xx regulator (not counting heatsink). Don't spec these in a volume product if you value your job and are not working for the military. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu