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LM5023为何启动瞬间就关闭不工作了

Other Parts Discussed in Thread: LM5023

 依照LM5023典型应用搭建了一个24V输入,5V5A输出的电路,现在电路不工作,测量并观察阻容器件是正确的,怀疑LM5023损坏,不如何判断。测量LM5023各脚均无波形,只有VCC有电压。