直流集成稳压电源

《直流集成稳压电源》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、摘要本文设计了一个集成直流稳压电源。设计采用变压器变压，桥式整流电路进行整流，电容对脉动电压进行滤波，最后用可调电阻和三端集成稳压器来实现直流电压在正负1.25V到25V之间的连续可调的正负12V电压和固定输出正负5V电压。该稳压电源具有性能稳定，结构简单，调节方便等优点。关键词：变压器、桥式整流、滤波、集成稳压器、稳压电源ABSTRACTInthispaper,anintegrateddcregulatedpowersupply.DesignUSEStransformer,bridgerectifier

2、circuitrectifier,capacitanceofapulsatingvoltageforfiltering,andfinallywithadjustableresistanceandthreeendintegratedregulatortorealizedcvoltageinpositiveandnegative1.25Vto25Vcontinuousadjustablebetweenpositiveandnegative12Vvoltageandfixedoutputpositiveandn

3、egative5Vvoltage.Theregulatedpowersupplyhasstableperformance,simplestructure,convenientadjustmentetc.Keywords:Transformer,bridgerectifier,filter,integratedvoltagestabilizer,Powersupply电子工艺实训-30-目录1、简介与设计思路..................................................

4、.................31.1简介................................................................................................31.2Multisim仿真软件介绍及其特点.....................................................31.3PROTEL99SE软件介绍及特点........................................

5、...............51.4PROTEL99SE系统构成..................................................................61.5设计原理....................................................................................................61.6设计步及思路……………………………………………………………72、芯片介绍........

6、........................................................................................72.1三端可调式集成稳压器..........................................................................72.1.1LM317…………………………………………………………………..72.1.2LM337…………………………………………………………………..92.

7、2三端固定式集成稳压器.........................................................................112.2.1LM7805………………………………………………………………...112.2.2L7905CV……………………………………………………………….123、详细设计与仿真.................................................................................

8、....133.1电源变压器………………………………………………………………13..3.2整流电路…………………………………………………………………13.3.3滤波电路…………………………………………………………………153.4稳压电路…………………………………………………………………173.5直流稳压电源的技术指标........................................................