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gaoliangLEDdianludaquab
- LED电源电路大多是由开关电源电路+反馈电路这样的形式构成,反馈电路从负载处取样后对开关电路进行脉冲的占空比调整或频率调整,以达到控制开关电路输出的目的- LED power supply circuit are caused by switching power supply circuit+ feedback circuit constituted in such a way, the feedback from the load circuit after the switch cir