The BD9141MUV from ROHM Semiconductor is a DC to DC Converter with Input Voltage 4.5 to 13.2 V, Output Voltage 1 2.5 to 6 V, Output Current 1 2000 mA, Operating Temperature -40 to 105 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for BD9141MUV can be seen below.