Recommended for New Designs
The LTC3372 is a highly flexible multioutput power supply IC. The device includes a high-performance, high voltage (HV) step-down DC/DC switching regulator...
LTC3372 on Analog.com
is now a LT Power CAD model available for the part LTC3372?
Currently it is still not available in LT Power CAD. I suggest that you follow the design procedure on the datasheet and try to simulate it in LTSpice where it has an available model.