我看数据手册中典型电路,pwm输出是接led阴极,16个led共阳极供电5v。那个,在pwm调光过程中,占空比越大,平均输出电压不是越高么,为什么此时led最亮。阴极接的电压越高,led不是越暗么?还是我理解错了?
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我看数据手册中典型电路,pwm输出是接led阴极,16个led共阳极供电5v。那个,在pwm调光过程中,占空比越大,平均输出电压不是越高么,为什么此时led最亮。阴极接的电压越高,led不是越暗么?还是我理解错了?