I have a customer using the TPS28226 in a multiphase buck converter. The customer is asking the high and low thresholds levels of the PWM input signal of TPS28226? He wants the PWM input to be compatible with 3.3V logic (VIL=0.8V and VIH=2.0V) and the datasheet doesn't specify the min/max voltage for PWM. From the datasheet, the driver is self-adjusting to the level of the PWM signal being applied. That being said, is the driver compatible with the VIH and VIL levels mentioned above. Also, if he wants to change the minimum three state level from 1V to 1.3V, how does he calculate the resistor value to connect from PWM to GND?
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