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THVD1510: Failsafe

Part Number: THVD1510

Hi team,

How to derive following formula?

  • Naizeng,

    You can refer to this blog about a calculation example. Basically two conditions need to be satisfied: 1) the bus voltage is equal to the threshold + noise margin; 2) the equivalent resistance of 2 RB and 1 RT is the same as the termination.

    Regards,

    Hao