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TLC59108 输出的频率不是datasheet标注的97Khz,使用示波器器设计测量是110Khz?

Other Parts Discussed in Thread: TLC59108

TLC59108 输出的频率不是datasheet标注的97Khz,使用示波器器设计测量是110Khz?

可能是什么原因造成的?

在 ledout3 外接一个LED,50%的占空比。 输出频率110Khz。