The LT3009 from Analog Devices is a LDO Voltage Regulator with Input Voltage 1.6 to 20 V, Output Voltage 0.6 to 19.5 V, Dropout Voltage 115 to 450 mV, Output Current 0.02 A, Temperature operating range -40 to 125 Degree C. Tags: Surface Mount. More details for LT3009 can be seen below.