The MAU154 from Total Power International is a DC to DC Converter with Input Voltage 13.5 to 16.5 V, Output Voltage 1 5 V, Output Current 1 2 to 100 mA, Output Power 1000 mW, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for MAU154 can be seen below.