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这个芯片主页有电源设计工具webench,你输入一下设计参数。
生成导出的的电路,跟你的设计电路比较对照下差异,排查一下。
https://www.ti.com.cn/product/cn/LMZ22010
https://webench.ti.com/power-designer/switching-regulator/customize/291?noparams=0