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楼主设计的怎么样了
用LM3447控制芯片设计220VAC转12V电源设计方案,原理图
lm3447PCB设计图
新到的LM3447芯片
gu10球泡灯
测试球泡灯
亲,调光功能如何实现?
楼主,这块芯片是怎么调光的?改变哪一个电阻?