一种基于LM3150 Buck型开关电源设计  

Design of a Buck-type switching power supply based on LM3150

作　　者：徐志国[1] 杨娟[1] 

机构地区：[1]金陵科技学院,江苏南京211169

出　　处：《电子设计工程》2014年第12期104-107,共4页Electronic Design Engineering

基　　金：国家青年科学基金资助项目(61302167)

摘　　要：Buck型开关稳压电源在现代电子设备中应用广泛,通过研究Buck型变换器的工作原理,介绍了采用LM3150为电源芯片的Buck型开关电源的设计。借助于WEBENCH电源设计工具选择合适的外围元件,实现效率、成本、面积和开关频率的优化。通过仿真表明该电源稳定性好,转换效率高,可以广泛应用于便携设备中。Buck switching mode power supply is widely used in modern electronic equipment, In this paper, Design of Buck type switching power supply using LM3150 as the power chip is introduced by studying the principle of Buck converter. Optimization of efficiency, cost, size and the switching frequency is achieved;choose the peripheral component suitable with the help of WEBENCH power supply design tool. The simulation shows that the power has good stability, high conversion efficiency, and can be widely used in portable devices.

关 键 词：LM3150 开关电源 BUCK变换器 开关频率 优化 

分 类 号：TN710[电子电信—电路与系统]