一种多路输出开关电源的低纹波低噪声设计  

Low Ripple and Low Noise Design of Multi-output Switching Power Supply

作　　者：倪扬[1] NI Yang(No.43 Research Institute of CETC,Hefei23OO88,China)

机构地区：[1]中国电子科技集团公司第四十三研究所,合肥230022

出　　处：《混合微电子技术》2020年第1期40-46,共7页Hybrid Microelectronics Technology

摘　　要：本文详细介绍了一种开关电源低纹波低噪声技术并应用于多路输出电源组件设计,着重介绍了开关电源纹波的概念与滤波设计、低纹波低噪声电源组件技术总方案设计和优化,并依据本文提出的低纹波低噪声设计方法搭建了实验电路、给出了实测结果。具有低纹波、低噪声等特点。In this paper,a low ripple and low noise technology of switching power supply is introduced in detail,which is applied to the design of multi-output power module.The concept and filter design of switching power supply ripple,the design and optimization of low ripple and low noise power supply module technology are emphatically introduced.According to the low ripple and low noise design method proposed in this paper,the experimental circuit is built and the measured results are given.It has the characteristics of low ripple and low noise.

关 键 词：低纹波 低噪声 电源组件 

分 类 号：TN86[电子电信—信息与通信工程]