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TPS1H200A-Q1: Psicpe simulation for auto retry mode

Part Number: TPS1H200A-Q1

Tool/software:

I tried to simulate TPS1H200A-Q1 in pspice tool (psipce model downloaded from TI website) to see auto-retry function in short-to-gnd condition. Auto-retry is working only when IN pin is directly connected to VS pin. If I drive IN pin with 3V3 or 5V, then auto retry is not happening.

 I am thinking that is this a model limitation?