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MCT8316A: Speed Input Mode Select

Part Number: MCT8316A


当Speed Input Mode Selec t选择 pwm speed input mode 时,选择用20Khz频率的PWM作为输入,运行时,电机会有时不时的卡顿一下,然后有正常运行,当将PWM的频率降低至10Khz时,此现象消失,请问这是什么原因?

看datasheet上面的PWM输入最高可以到95Khz。请问:如果还是用20Khz的PWM作为输入,如何消除卡顿现象?