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TPS54339给AUDIO供电,轻载时会产生噪音

Other Parts Discussed in Thread: TPS54339

Hello:

TPS54339 给功放供电时,无音频信号输入时。功放会产生嗡嗡的噪音。后还测试发现TPS54339在轻载时,工作频率只有几百赫兹。

请问,有没有什么方法解决?

Best Regards

Leon

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