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can't simulate Flyback circuit by LM5155

Other Parts Discussed in Thread: LM5155

HI,I used LM5155 SPICE modelLM5155-Q1_TRANS.LIB to simulate Flyback circuit by LTSPICE.However it didn't work,LM5155 has no output. Here is the circuit:

 

 

I checked other waveforms and found that V(SS) is only 2mV and I(SS) is only 2pA, which is inconsistent with the description in the datasheet

So please confirm whether there is a problem with my circuit or model.