灯带为8个LED串联,使用PWM模式调光。PWM为20KHZ,调试过程中发现电压只能升到13.6V,调节PWM占空比,输出电压无变化。fault脚3.28V。
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灯带为8个LED串联,使用PWM模式调光。PWM为20KHZ,调试过程中发现电压只能升到13.6V,调节PWM占空比,输出电压无变化。fault脚3.28V。