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如题，我没用过这款芯片，这个电流反馈的管脚是一定要接吗？不给它反馈会不会影响芯片工作？
好的，感谢，那意思是说外部时钟并不可以自己输入PWM的意思了。我想做一个5~24V输入，固定24V输出的电路，不管怎样，我先去看一下~
