Linear Technology
DC1541A-A - LT3694EFE Demo Board | Triple Output, 4.5V ≤ VIN ≤ 36V (70V Transients), VOUT1 = 3.3V@1.7A (Buck), VOUT2 = 2.5V@450mA (LDO), VOUT3=1.8V@450mA(LDO)
Manual
LT3694 - Product Info
LTspice - Software