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M4配合LM3404开机闪烁的问题

Other Parts Discussed in Thread: LM3404

T1 M4芯片PWM控制LM3404调光,PWM到LM3404 EN脚只加了一个10K的下拉电阻,每次开机的时候灯会闪烁一下。请问用RC低通滤波可以解决此问题不?另外有其他更好的方案吗?