Thanks! As I read the specs, that's not quite what I want. My output will be 5V. The battery is 6V. The wall wart is 12-18V. The load is 100mA or below. Any other ideas? THANKS! Harold > Didn't mention any specs....so look at the Micrel MIC49300 > > > >>From: Harold Hallikainen >>Reply-To: pic microcontroller discussion list >>To: PICLIST@MITVMA.MIT.EDU >>Subject: [EE:] LDO Regulator with two inputs? >>Date: Tue, 6 Apr 2004 11:58:42 -0700 >> >>I SEEM to recall seeing somewhere a low dropout regulator that had two >>inputs so you could connect one to a battery and the other to a wall >> wart. >>I can't find it now. I'd like to avoid adding diode drops in front of the >>regulator to get a bit more battery life. Anyone remember seeing such a >>regulator? >> >>THANKS! >> >>Harold >> >> >>-- >>FCC Rules Online at http://www.hallikainen.com >> >>-- >>http://www.piclist.com hint: PICList Posts must start with ONE topic: >>[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > _________________________________________________________________ > MSN Toolbar provides one-click access to Hotmail from any Web page FREE > download! http://toolbar.msn.com/go/onm00200413ave/direct/01/ > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > -- FCC Rules Online at http://www.hallikainen.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads