You might want to check out Texas Instruments: TPS71525, TPS71530, TPS71533, TPS71501, TPS71550 HIGH INPUT VOLTAGE, MICROPOWER SC70/SOT-323 PACKAGED 50-mA LDO LINEAR REGULATORS Input voltage: 2.5 V min, 24 V max Best regards, Ken Pergola -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu