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LTC3589: Modifying Register L2DTV2 bit(6:5), will it glitch on PGOOD pin?


I am designing the power section for a Texas Instrument omap-l138, and I want to use the LTC3589.

After LDO4 is enabled, I want to write the  register L2DTV2 bit(6:5)  to change voltage on LDO4 from 2.8v to 3.3v. Is it going to glitch the PGOOD output? I did not find any register to mask LDO4 status from the status output pin PGOOD. I wish to use PGOOD pin as active low reset for the omap-l138 but I cannot allow it to glitch when I need to reprogram LDO4 voltage.