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[参考译文] LMR54406:纹波/噪声测量

Guru**** 663810 points
Other Parts Discussed in Thread: TPS54540B, LMR54406
请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1236032/lmr54406-ripple-noise-measurement

器件型号:LMR54406
主题中讨论的其他器件:TPS54540B

客户想知道如何在测量纹波/噪声时选择示波器的带宽设置。 它是否与开关频率有关?

是否有文章指导此测量? 谢谢。  

TPS54540B (FSW=500kHz)

LMR54406 (FSW=1.1MHz)

此致

布赖恩