The MAU209 from Total Power International is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 15 V, Output Current 1 0.7 to 34 mA, Output Power 1000 mW, Output Voltage 2 -15 V. Tags: Through Hole, Boost/Step Up. More details for MAU209 can be seen below.