Linear Technology
DC621A - LT1941EFE Demo Board | 4.7V ≤ VIN ≤ 14V, Vout1 = 1.8V @ 2.4A, Vout2 = 3.3V @ 1.4A, Vout3 = -12V @ Up to 550mA
Manual
LT1941 - Product Info
LTspice - Software