TPA3251的PDF线路图按照用户指南做的,但是有三个引脚 19 / 20 /21 不知道外部连接 要如何引用。 请各位大神指点一下。多谢!!!
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请教一下,用TPA3251,做汽车功放, 供电30V, 当我接4欧+4欧 的负载,功率一共是260W时,会出现保护的状况, 但当我接 4欧+6欧时,功率一共是240W,就不会出现这样保护的状况.请教一下是什么问题.