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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/729574/tps61089-tps61089-pcb-layout-problem
尊敬的先生
规格显示 了 PCB 布局， 它需要0.2mm 过孔， 为什么 ？
尊敬的 Terry：
该过孔用于散热。 我们建议添加此过孔以获得良好的热性能。
