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【DIY】 LM3447 AC120V输入10W输出可控硅调光 A19驱动器

1. 输入AC120V(AC90V--132V) 60Hz    输出37.5V/0.27A 

2. 设计目标 PF>0.9  THD<20%  效率>84%

3. 初次级隔离AC1500V耐压等级  AC1500V。

4. 支持可控硅调光不闪烁,包括前切相和后切相调光器,调光曲线接近线性

5. 设计寿命50000小时

6. 输出电流误差<5%