The BD9E105FP4-Z from ROHM Semiconductor is a DC to DC Converter with Input Voltage 4.5 to 28 V, Output Voltage 1 0.7 to 22 V, Output Current 1 1000 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for BD9E105FP4-Z can be seen below.