Pulse-Width Modulated DC-DC Power Converters

963 Pages·2015·38.8 MB·English

by  Marian K. Kazimierczuk

Pulse-Width
-
Modulated DC DC
Power Converters
Second Edition
Marian K. Kazimierczuk

Pulse-Width Modulated DC–DC
Power Converters

Pulse-Width Modulated DC–DC
Power Converters
SecondEdition
MARIANK.KAZIMIERCZUK
WrightStateUniversity,Dayton,Ohio,USA
Thiseditionfirstpublished2016
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LibraryofCongressCataloging-in-PublicationData
Kazimierczuk,MarianK.
Pulse-widthmodulatedDC–DCpowerconverters/MarianK.Kazimierczuk.–Secondedition.
pagescm
Includesbibliographicalreferencesandindex.
ISBN978-1-119-00954-2(cloth)
1.DC-to-DCconverters. 2.Pulsecircuits. 3.PWMpowerconverters. I.Title.
TK7872.C8K3872015
621.381′044–dc23
2015018212
AcataloguerecordforthisbookisavailablefromtheBritishLibrary.
ISBN:9781119009542
Setin9.5/11.5ptTimesbyAptaraInc.,NewDelhi,India
1 2016
To my wife Alicja

Contents
AbouttheAuthor xxi
Preface xxiii
Nomenclature xxv
1 Introduction 1
1.1 ClassificationofPowerSupplies 1
1.2 BasicFunctionsofVoltageRegulators 3
1.3 PowerRelationshipsinDC–DCConverters 4
1.4 DCTransferFunctionsofDC–DCConverters 5
1.5 StaticCharacteristicsofDCVoltageRegulators 6
1.6 DynamicCharacteristicsofDCVoltageRegulators 9
1.7 LinearVoltageRegulators 12
1.7.1 SeriesVoltageRegulator 13
1.7.2 ShuntVoltageRegulator 14
1.8 TopologiesofPWMDC–DCConverters 16
1.9 RelationshipsAmongCurrent,Voltage,Energy,andPower 18
1.10 Summary 19
References 19
ReviewQuestions 20
Problems 21
2 BuckPWMDC–DCConverter 22
2.1 Introduction 22
2.2 DCAnalysisofPWMBuckConverterforCCM 22
2.2.1 CircuitDescription 22
2.2.2 Assumptions 25
2.2.3 TimeInterval:0<t≤DT 25
2.2.4 TimeInterval:DT <t≤T 26
2.2.5 DeviceStressesforCCM 27
2.2.6 DCVoltageTransferFunctionforCCM 27
2.2.7 BoundaryBetweenCCMandDCM 29
2.2.8 Capacitors 31
2.2.9 RippleVoltageinBuckConverterforCCM 33
2.2.10 SwitchingLosseswithLinearMOSFETOutputCapacitance 39
2.2.11 SwitchingLosseswithNonlinearMOSFETOutputCapacitance 40
2.2.12 PowerLossesandEfficiencyofBuckConverterforCCM 43
2.2.13 DCVoltageTransferFunctionofLossyConverterforCCM 48
2.2.14 MOSFETGate-DrivePower 48
viii Contents
2.2.15 GateDriver 49
2.2.16 DesignofBuckConverterforCCM 50
2.3 DCAnalysisofPWMBuckConverterforDCM 52
2.3.1 TimeInterval:0<t≤DT 56
2.3.2 TimeInterval:DT <t≤(D+D )T 58
1
2.3.3 TimeInterval:(D+D )T <t≤T 58
1
2.3.4 DeviceStressesforDCM 59
2.3.5 DCVoltageTransferFunctionforDCM 59
2.3.6 MaximumInductanceforDCM 62
2.3.7 PowerLossesandEfficiencyofBuckConverterforDCM 63
2.3.8 DesignofBuckConverterforDCM 65
2.4 BuckConverterwithInputFilter 68
2.5 BuckConverterwithSynchronousRectifier 68
2.6 BuckConverterwithPositiveCommonRail 76
2.7 QuadraticBuckConverter 76
2.8 Tapped-InductorBuckConverters 79
2.8.1 Tapped-InductorCommon-DiodeBuckConverter 79
2.8.2 Tapped-InductorCommon-TransistorBuckConverter 81
2.8.3 Watkins–JohnsonConverter 82
2.9 MultiphaseBuckConverter 83
2.10 Switched-InductorBuckConverter 85
2.11 Layout 85
2.12 Summary 85
References 87
ReviewQuestions 88
Problems 88
3 BoostPWMDC–DCConverter 90
3.1 Introduction 90
3.2 DCAnalysisofPWMBoostConverterforCCM 90
3.2.1 CircuitDescription 90
3.2.2 Assumptions 91
3.2.3 TimeInterval:0<t≤DT 93
3.2.4 TimeInterval:DT <t≤T 94
3.2.5 DCVoltageTransferFunctionforCCM 94
3.2.6 BoundaryBetweenCCMandDCM 95
3.2.7 RippleVoltageinBoostConverterforCCM 98
3.2.8 PowerLossesandEfficiencyofBoostConverterforCCM 100
3.2.9 DCVoltageTransferFunctionofLossyBoostConverterforCCM 102
3.2.10 DesignofBoostConverterforCCM 103
3.3 DCAnalysisofPWMBoostConverterforDCM 107
3.3.1 TimeInterval:0<t≤DT 110
3.3.2 TimeInterval:DT <t≤(D+D )T 111
1
3.3.3 TimeInterval:(D+D )T <t≤T 112
1
3.3.4 DeviceStressesforDCM 112
3.3.5 DCVoltageTransferFunctionforDCM 112
3.3.6 MaximumInductanceforDCM 117
3.3.7 PowerLossesandEfficiencyofBoostConverterforDCM 117
3.3.8 DesignofBoostConverterforDCM 120