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请教TI工程师 MSP430F5526 关于电源的问题

Other Parts Discussed in Thread: MSP430F5526

请教 TI 工程师,

关于MSP430F5526的电源3.3V和1.8V的电源什么特殊要求吗?比如说纹波之类 的参数!

最近我调试的一些板子发现(用5V手机充电器供电,通过TLV70233和TLV70218得到3.3V和1.8V),有时候上电后,MSP430无法正常启动,需要反复上电后正常启动了!

用示波器测量5V充电器输出纹波较大,有时候到达300MV~400mV。

谢谢!