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LMQ66430-Q1: PG behaviour in simulation does not agree with the datasheet

Part Number: LMQ66430-Q1


The datasheet of the LMQ66430-Q1 states that

Open-drain power-good flag output. Connect to suitable voltage supply through a current limiting
resistor. High = power OK, low = power bad. This pin goes low when EN = low. This pin can be
open or grounded when not used.

In my simulation in PSpice for TI, my PG is high all the time. Is there a problem with my circuit or is this a problem with the model?