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UCC25630-3 shut down

您好:

我在使用IC UCC25630-3調適時,

在沒有保護發生的情況下,

UCC25630-3 GATE DRIVER 不動作,

而且IC不會重新工作,呈現LATCH OFF的現象

RVCC & VCC 電壓皆未UVLO

確認非OCP、OVP、OTP等保護,

請問在甚麼情況下會發生這種狀況,謝謝。