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LMP7300: What will happen if VIH/VIL voltage level is above INN?

Yee Yong Teo
Expert 4335 points
Part Number: LMP7300

Hi,

In the datasheet, we see INN tied to Vref and HYSTP & HYSTN tied to voltage below Vref to set the VIH & VIL. What will happen if HYSTP or HYSTN tied to voltage above INN?

Thanks.

- YY

  • 0
    TI__Mastermind 49956 points

    Hello Yee,

    It may oscillate under certain combinations.

    Setting the voltage above the reference voltage moves the trip points "past" each other in the hysteresis loop graph:

    So don't do it! The inputs are designed to be less than the reference voltage.

    Regards,