Power Good of TPS62150/TPS62150A

I have questions about  Power Good of TPS62150/TPS62150A.

 TPS62150

   Question 1.  When EN is high and soft start is operating,is PG Low or High Impedance?

   Question 2 .When situation is Question1 ,please tell me the timing that  PG is High Impeadance or Low(what voltage? and so on).

  TPS62150A

  Question 3.  When EN is high and soft start is operating,is PG Low or High Impedance?

  Question 4 .When situation is Question3 ,please tell me the timing that  PG is High Impeadance or Low(what voltage? and so on).