The PH150A280-28 from TDK Corporation is a DC to DC Converter with Input Voltage 22.4 to 30.8 V, Output Voltage 1 28 V, Output Current 1 5400 mA, Output Power 151200 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for PH150A280-28 can be seen below.