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cc2530 奇怪的供电问题

Other Parts Discussed in Thread: CC2591, CC2530

我用5V,1A电源通过模块上1117-3.3v给2530+2591供电时,为什么用原厂的ams1117和另外一正规的1117给模块供电,模块上电均不能正常工作,电源灯亮,网络灯不亮,1117实测电压分别为3.280v和3.249v。但是用国产不知名品牌1117模块却正常工作,网络灯能快速指示组网成功,1117实测电压3.374。试验四个模块均如此。这是什么原因啊,非常困惑,是不是低于3.3v,2530+2591不能正常工作?