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LTM4614 short circuit between VIN, VOUT and GND


I am using LTM4614. I measured the Pins VIN, VOUT and GND by a multimeter and found these pins were short circuit.  The output of LTM4614 are seprated from load by a not connected resistor, so it can't  be affected by other component.

I removed the chip from the board and measured the pins of the chip again. These pins were short circuit on chip.

Is it normal? What could cause these pins short circuit?

Best Regards,