The iQL48011A280V-009-R from TDK Corporation is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 28 V, Output Current 1 11000 mA, Output Power 308000 mW, Operating Temperature -40 to 115 Degree C. Tags: Through Hole, Buck/Step down. More details for iQL48011A280V-009-R can be seen below.