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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/743490/the-ucc28251-does-not-work
尊敬的 TI 工程师：
当 UCC28251由5V 电源供电时、VREF 引脚没有输出。我已经检查了 PCB 的布局，没有发现问题。 我不知道为什么。
此致、
哇哦。
