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TPS54623: any risk if RT short to GND?

Part Number: TPS54623

Customer was checking the root cause of the TPS54623 failure in the end application. The failure mode was both Vin and PH were short to GND. They suspected it was possible for RT pin short to GND during the harsh environment. Could you please help share how TPS54623 will behave if shorting the RT pin to GND? In the original design, they used 100kohm for the RT resistor.