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UCD90910: UCD90910 Fan control IO pins

Part Number: UCD90910

The PWM fan controller ports on the UCD90910 can be setup as 'open collector' outputs - what is the voltage limit on these.

I want to PWM control a 24V fan - can the open collector output cope with this?

The PWM fan input is connected to a FET gate pulled up to the 24V by a 10k resistor. See image of PWM Fan input.