The ADP172 from Analog Devices is a LDO Voltage Regulator with Input Voltage 1.6 to 3.6 V, Output Voltage 0.8 to 3 V, Dropout Voltage 2 to 100 mV, Output Current 0.3 A, Quiescent Current 0.17 mA. Tags: Wafer-level Packaging. More details for ADP172 can be seen below.