/upload/community/2020/07/16/1594891925-88245.pdf
60W調(diào)光,雙級方案,boost 用ST L6562,反激用AP1681,調(diào)光時就會閃,調(diào)了RC也用處不大,AP1681周邊2-4腳都調(diào)過了,亦無改善。下面是AC輸入電流電壓波形
請各位幫忙分析怎么調(diào)?
/upload/community/2020/07/16/1594891925-88245.pdf
60W調(diào)光,雙級方案,boost 用ST L6562,反激用AP1681,調(diào)光時就會閃,調(diào)了RC也用處不大,AP1681周邊2-4腳都調(diào)過了,亦無改善。下面是AC輸入電流電壓波形
請各位幫忙分析怎么調(diào)?