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UCC28C42: COMP pin current when FB pin shorted

Part Number: UCC28C42

Tool/software:

Hello,

In the new and updated datasheet of UCCx8C4x (REV I) a new line of COMP Pin sourcing current when FB pin shorted is added and current = 5.5mA max.

1. Why the new behaviour?

2. Was it ways like it or something changed in the IC?