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LM74700-Q1: T_reverse / T_recovery

Youhei Miyaoka
Expert 4095 points
Part Number: LM74700-Q1

Hi team,

In datasheet, T_Reverse delay is defined Typ.0.45us/Max0.75us. Can customer estimate this time on their use case? 

Regards,

Youhei MIYAOKA

  • +1
    TI__Mastermind 49015 points

    Hi Miyaoka,

    T_Reverse delay is shown as a graph in the datasheet. It is the time of (some propagation delay + FET to turn OFF) after it detects -100mV drop across the FET. Since the FET is discharging here, it depends on the gate capacitance. Only thing to note here is that the discharge current is very high(~2.37A), changing the gate capacitance will not change the time by much. 

    Hence, more or less the time should be same with change in systems.

    Regards,

    Shiven Dhir

  • 0 in reply to Shiven Dhir
    TI__Expert 4095 points

    Hi Shiven,

    Thank you for your answer and additional description.

    Regards,

    Youhei MIYAOKA