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LMZ22005没有输出电压

Other Parts Discussed in Thread: LMZ22005

作者根据,LMZ22005datasheet进行电路设计,12V降至3.3V。完全按照文档进行设计,但是输出就是没有电压。其中EN直接接地了,因为文档有写0-5V

简易参考电路、EN电压和电路设计图:

跪求答案。