利用LM675T搭建一典型的同相8倍放大电路，输入输出都为直流电压，没有输出自激现象。在管子输出3V/0.6A时管子立马发热并烫手；在管子输出19V/0.6A 长时间测试并没有明显发热。这两种情况下在空载时时没有温度的。为什么会出现这种现象？明显和PDF数据不符合？（同一测试条件：有足够大的散热器并有风扇散热）
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