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LM5171-Q1: LM5171,开关频率无法正常输出

Part Number: LM5171-Q1
Other Parts Discussed in Thread: LM5171,

我将LM5171设置为BUCK模式,开关频率为100K,通过示波器观察,只有上电的一瞬间为20K的开关频率,随着时间推移,开关频率就不正常了,请这个是怎么回事