The MAU229 from Total Power International is a DC to DC Converter with Input Voltage 21.6 to 26.4 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, Buck/Step down. More details for MAU229 can be seen below.