The LTC3733-1 from Analog Devices is a DC to DC Converter with Input Voltage 4 to 36 V, Output Voltage 1 0.8 to 1.55 V, Output Current 1 60000 mA, Operating Temperature 0 to 70 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for LTC3733-1 can be seen below.