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TPS61176调光过程中闪烁

Other Parts Discussed in Thread: TPS61176

TPS61176在调光过程中,当占空比为4%-35%的时候LED会出现闪烁,PWM频率为11.718Khz。 原理图

 LED不闪烁时 ,IFBx脚的PWM波形。

 占空比最大时 ,IFBx脚的波形

 占空比为4%-35%时,IFBx脚的波形。

 TPS61176的工作模式。

求解答,在线等