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AMC1211-Q1: UVLO response time and hysteresis?

Yoshiki Ochi
Expert 8045 points
Part Number: AMC1211-Q1

Hi team, 

Does it have UVLO protection/recevery response time spec? Does it have UVLO threshold hysteresis?

Regards,
Ochi

  • 0
    TI__Mastermind 49191 points

    Hi Ochi-san,

    The UVLO protection/recovery response time spec will be the same as the propagation delay, approximately 3uS. 

    There is non-specified hysteresis in regards to when the device will enter fail-safe and when the device will leave fail-safe. When the device will enter fail-safe is specified in the ECT as shown below, the device will leave fail-safe when VDD1 reaches a slightly higher voltage, minimum of 3V. The exact voltage where the device leaves fail-safe as VDD1 rises will depend on the rise time of the VDD1 signal as well as part-part variation.