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  • Which conditions should UCC28950 meet first before starting?

    * Question

    Which conditions should UCC28950 meet first before starting?


    *
    Answer

    (1) The VDD voltage must exceed the UVL0 threshold (7.3V).

    (2) The 5V reference voltage has been achieved.

    (3) The junction temperature of the chip is lower than l40.C.

    (4) The voltage on the soft start capacitor is not less than 0.55V.


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