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TPS53315无输出,无PWM波形

Other Parts Discussed in Thread: TPS53315

大家好!

关于TPS53315我的理解是VDD,EN达到规定的电压范围后VREG就会输出5V电压,与其他外围电路没有关系,不知这个理解是否正确?另外,在我的电路中VIN=VDD=EN=5V,不知这样的设置是否合理?

我的电路如下图,有什么不正确的地方请指出,谢谢!