A B S T R A C T
a d o P ts D iv a .
K ey w o r d : sw ite h P o w e 几 D C 一D C ,P W M ,e ffi c ie n cy,B IC M O S IC D e sig n
会杯一︺︸
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砂
目 录
目 录
摘 要....................................................................................................................……I
A B S T R A C T ............................................................................................................…… n
目 录...............................................................................................................……IV
第一章 引 言....................................................................................····...·····..·……1
电源 Ic 发展综述......................................................··.···························……1
开关电源的分类及特点..........................................................................……3
本课题主要工作.................................................................·····················……4
第二章 D C 一D C 的组成与工作原理...............……,..............................................……5
2 .1 D C 一D C 芯片功能框图与工作原理........................................……,...........……5
2 .2 D c 一D c 芯片的特点.........................................................·························……6
2 .3 封装形式及管脚排列...............................................................................……6
第三章 分模块设计.........……,.............................................····...························一 8
3 .1 基准源的设计....................................................................................···.···……8
3 . 电路设计.............……,............................……,..........................··....……8
仿真波形.......................................................................................……9
斜波发生器的设计..................................···············································……10
.1 电路设计基本原理.....................................……、..........................……10
.2 仿真波形.................................................................................
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