TPS7H1101A-SP: Vout behavior when Vin

Part Number:TPS7H1101A-SP

Hello -

When Vin < Vout(set), how does Vout behave?  For instance, if I have the regulator set to provide 3.3V and Vin<=3.3V, does Vout track Vin?  If so, how close is the tracking, and is it load-current dependent?  My application cannot guarantee that Vin stays greater than Vout(set)+Vdropout, so I am trying to evaluate how the regulator behaves.  Do other functions behave appropriately in this condition? (e.g. current limit, shutdown, etc.).

Thank you,

Brian