There is no restriction on Vout of DCM flyback using MAX17690. The EESIM simulaiton is limited to 48V however, for design assistance of projects having Vout greater than 48V please contact the technical support.
MAX17690
Production
The MAX17690 is a peak current mode, fixed-frequency switching controller specifically designed for the isolated flyback topology operating in Discontinuous...
Datasheet
MAX17690 on Analog.com
There is no restriction on Vout of DCM flyback using MAX17690. The EESIM simulaiton is limited to 48V however, for design assistance of projects having Vout greater than 48V please contact the technical support.