The ADM7171 from Analog Devices is a LDO Voltage Regulator with Input Voltage 2.3 to 6.5 V, Output Voltage 1.2 to 5 V, Dropout Voltage 42 to 135 mV, Output Current 1 A, Quiescent Current 4 mA. Tags: Surface Mount. More details for ADM7171 can be seen below.