LTC4366 -2

Hello everyone. i have a supresor circuit with LTC4366CDDB-2#PBF, it work fine when the overvoltage is about 2 seconds, but when overvoltage pass more that 2 seconds the Ltc4366-2 never restart from cool-down period.

I have to turn off the source and wait 9seconds in order to Ltc 4366 works fine again.

Vmin=10v, Vclamp=28 and Vmax=32V

attached circuit and all values parts. are there any mistake with the circuit?


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