The BD9122GUL from ROHM Semiconductor is a DC to DC Converter with Input Voltage 2.5 to 5.5 V, Output Voltage 1 1 to 2 V, Output Current 1 500 mA, Operating Temperature -30 to 85 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for BD9122GUL can be seen below.