The SGM2059-2.8XN5G/TR from Sgmicro is a LDO Voltage Regulator with Input Voltage 1.1 to 5.5 V, Output Voltage 2.8 V, Dropout Voltage 72 to 260 mV, Output Current 0.3 A, Quiescent Current 13 to 40 µA. Tags: Surface Mount. More details for SGM2059-2.8XN5G/TR can be seen below.