I am working on the design of buck converters and I am using the basic IC circuit configuration and changing the values of components like the inductor, input and output capacitors etc. to suit my requirements. But when I simulate I get the option of doing only the startup simulation. I wish to see the steady state response of the circuit as well. Also in the startup simulation I am not able to change simulation parameters like .tran statement etc.
Please let me know how can I get these options.