The LT3040 from Analog Devices is a LDO Voltage Regulator with Input Voltage 1.8 to 20 V, Output Voltage 0 to 15 V, Dropout Voltage 45 to 600 mV, Output Current 0.2 A, Temperature operating range -40 to 125 Degree C. Tags: Surface Mount. More details for LT3040 can be seen below.