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.

TPS40211 PWM调光电路实现的原理

做了一块40211的LED驱动板,基本功能实现了 ,但是调光电路线性度极差,很容易饱和,希望大家给点提示,主要参考下图