This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM3409恒流源芯片EN引脚的PWM输入功能咨询

Other Parts Discussed in Thread: LM3409

LM3409的EN引脚功能说明:

Logic level enable and PWM dimming. Apply a voltage >1.74 V to enable device, a PWM signal to dim, or a voltage < 0.5 V for low-power shutdown

我理解是,可以用单片机的PWM信号引脚直接接到LM3409的EN引脚上,单片机输出0-3.3V占空比、频率可调的PWM信号直接给LM3409的EN端口,从而实现LED的全亮-全暗的调节,请问这样是否可以呢?