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插孔、
是的、电路板上只能有一个 GND 平面、但建议将功率级保持在 IC 的一侧、并将感应节点和敏感节点保持在另一侧、如布局示例所示。 这可以有效地将功率级交流电流 GND 噪声与敏感节点隔离开来。
Sam