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你好, 公司现有项目用到TPA3110D2,2.1声道,15V供电,低音电路输出用PBTL形式,输出LC滤波电路用10UH的方形屏蔽电感+105电容下地,工作基本正常,
但中高频部分用的是磁珠串102电容组成的输出滤波网络,发现在功放待机状态就发热(MUTE脚打开)在工作时更是发烫,磁珠选型考滤过饱和电流,选择用120R/0805/2.5A磁珠,与120R/1206/3A磁珠,还是有这个问题,求指导,谢谢。