The LT3085 from Analog Devices is a LDO Voltage Regulator with Input Voltage 1.2 to 36 V, Output Voltage 0 to 36 V, Dropout Voltage 85 to 450 mV, Output Current 0.5 A, Quiescent Current 0.3 to 1 mA. Tags: Surface Mount. More details for LT3085 can be seen below.