The STPMIC02 from STMicroelectronics is a DC to DC Converter with Input Voltage 4.3 to 13.2 V, Output Voltage 1 0.77 to 3.78 V, Output Current 1 3500 mA, Operating Temperature -10 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for STPMIC02 can be seen below.