externally forcing latch-off of ADM1275-2

Can I use an external pullup to force the TIMER pin high (to VCAP) and thus cause a latching turn-off of the ADM1275-2? I'd like to do this to implement an overvoltage protection on a secondary voltage that is derived from its output. Please comment if this is OK and works, and if there is anything known about the propagation time from V(TIMER) > VTIMERH to GATE being pulled low?

Thanks,

     Gerard

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