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版版您好
想知道有無輸入85V~265V、輸出42V 500mA與功率21W~42W的isolation LED driver with IC 或電路設計
在官网参考库中有的
肯定有的，网上搜索一下，点击下面的链接
http://www.ti.com.cn/sitesearch/cn/docs/universalsearch.tsp?searchTerm=LED%E9%A9%B1%E5%8A%A8&linkId=1
