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升压芯片TPS61071为什么使得输入电压降低,怎么避免



我使用Tps6107,按照文档中的电路制作了PCB板,但是在输入条件为开路电压2.7V和短路电流170mA。经过升压之后,在连接负载(负载为一个块锂电池,即给锂电池充电),输入电压变成1.1V,产生了很大的压降,这个该如何解决呀?在线等