The MAU305 from Total Power International is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 5 V, Output Current 1 4 to 200 mA, Output Power 2000 mW, Output Voltage 2 -5 V. Tags: Through Hole, Buck-Boost. More details for MAU305 can be seen below.