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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1001998/lm5005-5-pin-sync-seet
您好，TI
我是否可以在不需要 SYNC 时悬空该引脚？是否应该将其设置为高电平或低电平？有什么效果？
尊敬的 Dominic：
如果未使用 SYNC 引脚以 RT 引脚设置的频率运行、则将其保持断开状态。
此致、Jason
