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TPS54331启动初期,启动电流达到2A疑问

Other Parts Discussed in Thread: TPS54331

大家好,我最近用2个TPS54331分别产生+5V和-5V,但发现上电瞬间,输入电流达到2A以上电流,后来我把负5V那路TPS54331断开,上电输入电流就可以很小,请问有什么方法解决这个上电电流大的问题,十分感谢。参数如上面的原理图。