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您好，我断开吸收电路后再进行测试，波形依旧是正常的，并未出现尖峰信号，我觉得电路正常工作下应该是不会出现尖峰电压吧。 不过我发现，断开吸收电路或者调整电阻电容的值都会影响芯片静态下的电流，断开后，芯片静态下的电流只有14.7mA，将470pF电容换成330pF，芯片静态下的电流为15mA，而如果按数据手册给的470pF，静态下电流却达到25mA。
