新的板子用到TPS74701 ,产线测试时发现用手触摸SS软启动的电容时机子会重起,电容为1.5nF,输入3.3V,输出1V,是被干扰导致的吗,请指教,谢谢!
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新的板子用到TPS74701 ,产线测试时发现用手触摸SS软启动的电容时机子会重起,电容为1.5nF,输入3.3V,输出1V,是被干扰导致的吗,请指教,谢谢!
你好,有测试过,手碰到了SS 电容就会关掉,该芯片的SS 脚是不是太敏感了
Hi
将CS电容加大到4.7nF或者10nF在测试看看?