The MAX77816 from Analog Devices is a DC to DC Converter with Input Voltage 2.3 to 5.5 V, Output Voltage 1 2.6 to 5.14 V, Output Current 1 3000 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Wafer-level Packaging, Buck/Step down. More details for MAX77816 can be seen below.