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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/816845/tps548d22-how-to-test-the-phase-margin
您好！
TPS548D22的数据表未显示环路字符、也没有典型的反馈引脚、您能否向我展示测试 TPS548D22相位裕度的方法？ 谢谢。
此致。
陈
参考 EVM 原理图、您可以使用合适的注入电阻器代替 R11、该电阻器的电阻值为50或10欧姆、具体取决于您的分析仪、并连接 CHA 和 CHB、如图所示。
