Linear Technology
DC610A - LT3804EFE LT3781EG LTC1693-1IS8 | Dual Output Isolated Power Supply, 36V to 72V Input, +Vo1=3.3V @ 15A, +Vo2 = 1.8V @ 15A
Manual
LT3781 - Product Info
LT3804 - Product Info
LTC1693 - Product Info