The MCP1727 from Microchip Technology is a LDO Voltage Regulator with Input Voltage 2.3 to 6 V, Output Voltage 0.8 to 5 V, Dropout Voltage 330 mV, Output Current 1.5 A, Quiescent Current 0.12 to 0.22 mA. Tags: Surface Mount. More details for MCP1727 can be seen below.