Linear Technology
DC1128A - LTC3419EDD Demo Board | 2.25MHz, 2.5V ≤ VIN ≤ 5.5V, Vout1 = 1.2V/1.5V/1.8V @ 600mA, Vout2 = 2.5V/3.3V @ 600mA
Manual
LTC3419 - Product Info
LTspice - Software