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TPS62130/62140输出纹波大于40mV,是哪里的问题呢?

Other Parts Discussed in Thread: TPS62130

写了比较详细的文档,请帮忙看一下。

测试时是直接用探针含在探头的负极,保证地回路足够小;直接测试的电容两侧。测试过程应该没问题。

示波器200MHz示波器、1G采样率,限制测试带宽为20MHz。