The BD9107FVM from ROHM Semiconductor is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 1 to 1.8 V, Output Current 1 1200 mA, Operating Temperature -25 to 85 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for BD9107FVM can be seen below.