TPS63002的输入端供电为LM2756-5芯片。在使用时发现TPS63002输出电压不是稳定的5V，而是类似于方波的输出。用示波器测量发现LM2756-5芯片供的电压被拉成了方波，导致TPS63002输出电压变化。单独测量LM2756-5芯片供的电压为直线。TPS63002的电路为推荐电路。
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