That’s a standard .NET Tooltip we use. From the Microsoft docs on AutoPopDelay:
The maximum time you can delay a popup is 5000 milliseconds. For longer
durations, use the Show method to control the exact moment when the ToolTip is displayed.
5 seconds seems like a lot. I can't imagine a scenario where a 5 minute pop up delay makes sense. (Unless it says "hey user! wake up").
If you really want that, you'd have to use GoObject OnEnterLeave to set your own timers.