/blogs_/b/power_house/posts/53234作者： Yuan Tan 医疗设备、测试测量仪器等很多应用对电源的纹波和噪声极其敏感。 理解输出电压纹波和噪声的产生机制以及测量技术是优化改进电路性能的基础。 第一部分：输出电压纹波 以Buck电路为例，由于寄生参数的影响，实际Buck电路的输出电压并非是稳定干净的直流电压，而是在直流电压上叠加了输出电压纹波和噪声，如图1所示。 图1. Buck 输出电压纹波和噪声 实际输出电压纹波由电感电流与输出阻抗决定，由三部分组成，如图2 所示。 电感电流纹波通过输出电容的寄生电阻ESR形成的压降zh-CNTelligent Community 13https://e2echina.ti.com/blogs_/b/power_house/posts/53234Tue, 29 Nov 2022 03:04:45 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3dmike jonkn0<p><span>好文章，受教了</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Mon, 25 Jul 2022 05:57:43 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3dzhi li0<p>多个并联电容的阻抗计算公式2应为Rx+容抗</p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Tue, 18 Jan 2022 14:07:19 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3duser66203520<p>好文章</p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Tue, 18 Jan 2022 14:06:55 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3duser66203520<p>好文章</p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Tue, 18 Jan 2022 14:05:20 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3duser66203520<p>好文章</p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Wed, 08 Sep 2021 15:10:55 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3dAurora Liang0<p><span>请问输出电压纹波计算工具有得下载吗？</span></p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">https://e2echina.ti.com/blogs_/b/power_house/posts/53234Wed, 08 Sep 2021 05:53:48 GMT91561404-af28-475a-b96b-cb6cbaadd097:e906bf1e-48a6-4e34-b0f9-dfa225d11b3dRui Ding320<p>文章有PDF下载链接么？</p><img src="https://e2echina.ti.com/aggbug?PostID=53234&AppID=65&AppType=Weblog&ContentType=0" width="1" height="1">