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LTC3779 Minimum Operating Temperature

Hello,

I am planning to use LTC3779 in -55C environment. I do not expect 3779 to operate below -40C. However I need to know what happens below -40C, while 3779 is supplied and there is voltage at ic pins. If I shutdown 3779 by pulling down "run" pin, at temperatures below -40C while all voltages applied to its pins, does it damage the ic or my input power bus?