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TPS3808 - Open Drain Output

In my application I want to Monitor 5V supply using TPS3808G50, and inform / Reset processor.

As the chip is having Open Drain RESET out, I wish to pull up the RESET out to 1.8V (Much lower than VDD) to interface to processor pin directly.

 Please let me know that, connecting OD output to a lower voltage (1.8V here) other than supply (5V) cause any issue?