The BD9E302EFJ from ROHM Semiconductor is a DC to DC Converter with Input Voltage 7 to 28 V, Output Voltage 1 1 to 19.6 V, Output Current 1 3000 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for BD9E302EFJ can be seen below.