The ADP322 from Analog Devices is a LDO Voltage Regulator with Input Voltage 1.8 to 5.5 V, Output Voltage 0.8 to 3.3 V, Dropout Voltage 6 to 170 mV, Output Current 0.2 A, Quiescent Current 0.25 mA. Tags: Surface Mount. More details for ADP322 can be seen below.