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TPA3251: 在空载不加散热片的情况下,上电静态放置1-2个小时就出现超温警告,FAULT管脚变为高电平。后面测试功放功耗,一开始上电的2.2W,拉高复位后为4.4W,然后空载功率还会慢慢网上加,

Part Number: TPA3251