The MAU322 from Total Power International is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 5 V, Output Current 1 8 to 400 mA, Output Power 2000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for MAU322 can be seen below.