基于UC3843的CCM模式Boost变换器设计  

Design of Continuous Current Mode Boost Converter Based on UC3843

作　　者：高健[1] 许飞云[1] 贾民平[1] 彭森[1] 

机构地区：[1]东南大学,江苏南京211189

出　　处：《电力电子技术》2010年第1期34-35,48,共3页Power Electronics

基　　金：江苏省自然科学基金(BK2007115)~~

摘　　要：采用UC3843电流型PWM控制芯片设计了一种连续电流模式(Continuous Current Mode,简称CCM)的Boost变换器。建立了Boost变换器CCM电路的数学模型,推导了其工作条件,并利用Multisim仿真软件进行电路仿真,验证了设计电路的可行性。试验结果显示,该电路能够很好地满足输出性能的设计要求。A continuous current mode Boost converter is designed based on UC3843 current-mode PWM control chip.The mathematical model of the CCM Boost converter circuit is established,the working condition is deduced.Further more,The Multisim software is used for simulating the circuit and feasibility of the design circuit is verified.The experimental results show that the circuit performance of can fulfill the demands of output performance.

关 键 词：变换器 电源 连续电流模式 控制芯片 

分 类 号：TM461[电气工程—电器]