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TPS2491按照EXCEL表格设计后,空载能带载,但是满载启动,不能带载。请问什么原因?谢谢。



输入电压为28V,负载为2A。需要短路保护。短路能保护,但是满载不能启动。空载能启动。。附图纸在下方。。帮忙。。