The ADP1882 from Analog Devices is a DC to DC Converter with Input Voltage 2.75 to 5.5 V, Output Voltage 1 0.8 to 18 V, Output Current 1 25000 mA, Operating Temperature -40 to 125 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for ADP1882 can be seen below.