The LT8390A from Analog Devices is a DC to DC Converter with Input Voltage 4 to 60 V, Output Voltage 1 1 to 60 V, Output Current 1 10000 mA, Operating Temperature -40 to 150 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Buck-Boost. More details for LT8390A can be seen below.