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关于TPS92691-Q1

Other Parts Discussed in Thread: TPS92691-Q1, TPS92691

哪位大佬指点一下,使用TPS92691-Q1做LED驱动芯片,调试中,发现GATE的输出频率和占空比跟PWM脚保持一致,明显运行有问题,这会是什么原因导致的呢?

GATE不是应该由芯片内部的振荡器产生频率和占空比吗、