The MAX38888 from Analog Devices is a DC to DC Converter with Input Voltage 0.8 to 4.5 V, Output Voltage 1 2.5 to 5 V, Output Current 1 2500 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for MAX38888 can be seen below.