Pulse-width Modulated DC-DC Power Converters

811 Pages·2008·7.18 MB·English

by  Marian K. Kazimierczuk

Pulse-width Modulated DC–DC
Power Converters
MARIAN K. KAZIMIERCZUK
Wright State University
Dayton, Ohio, USA
A John Wiley and Sons, Ltd, Publication

Pulse-width Modulated DC–DC
Power Converters

Pulse-width Modulated DC–DC
Power Converters
MARIAN K. KAZIMIERCZUK
Wright State University
Dayton, Ohio, USA
A John Wiley and Sons, Ltd, Publication
Thiseditionfirstpublished2008
2008JohnWiley&Sons,Ltd
Registeredoffice
JohnWiley&SonsLtd,TheAtrium,SouthernGate,Chichester,WestSussex,PO198SQ,UnitedKingdom
Fordetailsofourglobaleditorialoffices,forcustomerservicesandforinformationabouthowtoapplyfor
permissiontoreusethecopyrightmaterialinthisbookpleaseseeourwebsiteatwww.wiley.com.
Therightoftheauthortobeidentifiedastheauthorofthisworkhasbeenassertedinaccordancewiththe
Copyright,DesignsandPatentsAct1988.
Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,in
anyformorbyanymeans,electronic,mechanical,photocopying,recordingorotherwise,exceptaspermittedby
theUKCopyright,DesignsandPatentsAct1988,withoutthepriorpermissionofthepublisher.
Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsinprintmaynotbe
availableinelectronicbooks.
Designationsusedbycompaniestodistinguishtheirproductsareoftenclaimedastrademarks.Allbrandnames
andproductnamesusedinthisbookaretradenames,servicemarks,trademarksorregisteredtrademarksof
theirrespectiveowners.Thepublisherisnotassociatedwithanyproductorvendormentionedinthisbook.This
publicationisdesignedtoprovideaccurateandauthoritativeinformationinregardtothesubjectmattercovered.
Itissoldontheunderstandingthatthepublisherisnotengagedinrenderingprofessionalservices.Ifprofessional
adviceorotherexpertassistanceisrequired,theservicesofacompetentprofessionalshouldbesought.
AcataloguerecordforthisbookisavailablefromtheBritishLibrary.
ISBN:978-0-470-77301-7 (HB)
TypesetbyLaserwordsPrivateLimited,Chennai,India
PrintedandboundbyMarkonoPrintMediaPteLtd.Singapore
To my family

Contents
Preface xix
About the Author xxi
List of Symbols xxiii
1 Introduction 1
1.1 Classification of Power Supplies 1
1.2 Basic Functions of Voltage Regulators 3
1.3 Power Relationships in DC–DC Converters 5
1.4 DC Transfer Functions of DC–DC Converters 5
1.5 Static Characteristics of DC Voltage Regulators 6
1.6 Dynamic Characteristics of DC Voltage Regulators 9
1.7 Linear Voltage Regulators 12
1.7.1 Series Voltage Regulator 13
1.7.2 Shunt Voltage Regulator 14
1.8 Topologies of PWM DC–DC Converters 17
1.9 Relationships among Current, Voltage, Energy, and Power 18
1.10 Electromagnetic Compatibility 19
1.11 Summary 20
1.12 References 20
1.13 Review Questions 21
1.14 Problems 22
2 Buck PWM DC–DC Converter 23
2.1 Introduction 23
2.2 DC Analysis of PWM Buck Converter for CCM 23
2.2.1 Circuit Description 23
2.2.2 Assumptions 27
2.2.3 Time Interval 0<t ≤DT 27
2.2.4 Time Interval DT<t ≤T 28
2.2.5 Device Stresses for CCM 29
2.2.6 DC Voltage Transfer Function for CCM 29