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TPS3809-EP Reset Issue

I am using part number TPS3809l30-EP and am noticing the part intermittently does not issue a RESET pulse.  Essentially the RESET output just follows the 5V rail and never drives low.  Are there any "un-documented" application notes that I may need to be aware of?  For example, min or max input voltage rise times, min or max input or output capacitances?

In looking at the non -EP versions of the datasheet, I notice under recommended operating conditions that a max of 50uA be sunk into RESET at power up.  Does the -EP version have this same requirement and if so what is the min / max value of this current?

Thank you