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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/810015/uc1843a-sp-backfeed-vref
我们能否在不存在 Vcc 的情况下以5V 电压对 UC1843-SP VREF 进行反馈(VCC 开路)？ 如果是、PWM 是否仍会在该模式下运行？
您好、Steve、
如果您尝试通过为 Vref 供电来反馈 Vcc 来开启器件、器件可能会损坏。
我建议不要这样做。
谢谢、
Daniel
