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TPA3255: TPA3255-Q1过热保护

Part Number: TPA3255

你好:

       想问下TPA3255-Q1按照PBTL方式设计。未安装散热片的情况下。也未让音频功放输出,温度也很高会触发保护,这样正常吗?还是有哪些因素造成了影响?