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Original question:

[参考译文] LM74502：栅极至 SRC 齐纳保护

LM74502H: 客户测试发现上电时电源被下拉并振荡，这是不是有问题

x w
Prodigy 160 points

Part Number: LM74502H

电源电容2.2uF，上电时电源VIN被拉下来了，功率管反复开关，这合理吗？怎么杜绝这种问题？