The MAU153 from Total Power International is a DC to DC Converter with Input Voltage 13.5 to 16.5 V, Output Voltage 1 15 V, Output Current 1 1 to 67 mA, Output Power 1000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for MAU153 can be seen below.