The BD89630EFJ from ROHM Semiconductor is a DC to DC Converter with Input Voltage 2.7 to 5.5 V, Output Voltage 1 1 to 2.5 V, Output Current 1 2000 mA, Operating Temperature -25 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for BD89630EFJ can be seen below.