我做了一个功放(PBTL模式),4欧输出16V时IC就开始蜂鸣(此时IC温度不高),18V时shut down,-SD,-0TW1,-OTW2为低电平,蜂鸣代表什么呢?过温,过载还是?为了提高IC输出功率,我将Rocp由30K改为22K,功率得以提高但是输出18V后还是会蜂鸣,若此时输出短路(out+/-短接)理论上IC会过流保护吗?Rocp的改变会引起了Ioc的改变,Ioc是如何计算的?
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