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LTC7862 Current Threshold

Hi,

I have been simulating the LTC7862 Surge Stopper within LTSpice, but the overcurrent trip threshold does not occur when I would've expected it to. From the datasheet, it states the maximum current sense threshold voltage is nominally 50mV. By using a 1m ohm sense resistor I would expect the over current trip threshold to be 50A however when running the simulations it trips at about 30A. Have I interpreted the datasheet wrong, or is there another factor I'm not considering?

Thank you for any help

Beth

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