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TPS3895: Failed to protect MCU from core voltage drop, any risk on the design?

Part Number: TPS3895

Hi expert,

My customer is using TPS3895 to protect F28377s's 1.2V core voltage with below circuit design.  They tested with suddenly cut off the 1.2V power supply when MCU is running, but the power stage is damaged. Do you have any comments here?

Thanks

Sheldon