LDO 經典好書

jswon

TABLE OF CONTENTS

Foreword v
Acknowledgments viii
List of Tables xiii
List of Figures xiv
Summary xviii
CHAPTER I. INTRODUCTION 1
1.1 Definition 1
1.2 Market Demand 2
Current Efficiency, Low Voltage, and Low Drop-out 2
Alternative: Switching Regulators 3
1.3 Characteristics 5
Block Level Description 5
Performance 6
1.4 Specifications 7
System 7
Reference 11
1.5 Research Objective 12
1.6 Summary 15
CHAPTER II. SYSTEM DESIGN CONSIDERATIONS 17
2.1 AC Analysis 17
Loading Conditions 17
Frequency Response 18
Design Challenge 21
Worst-case Stability 21
Parasitic Pole Requirements 22
Maximum Load Regulation Performance 22
2.2 Transient Analysis 23
Typical Response 24
Design Challenge 28
2.3 Pass Device Design Issues 29
2.4 Amplifier Design Issues 30
2.5 Reference Design Issues 32
2.6 Summary 33
CHAPTER III. REGULATOR TOPOLOGIES 35
3.1 CMOS Topology 35
3.2 Buffered Architecture 38
3.3 All-in-one Approach 39
3.4 System Enhancements 42
Mixed-mode Technique 42
Multi-pass Device Approach 44
Widely Adjustable Structure 46
3.5 Summary 47
CHAPTER IV. PERFORMANCE ENHANCEMENTS 49
4.1 Current Efficiency 49
Motivation 49
Challenge 50
Slew-Rate Dependent Boost 51
Current Efficient Buffer 53
Frequency Response 55
Transient Response 57
4.2 Current Boosting 59
Motivation 59
Challenge 60
Composite Output Transistor 60
Maximum Output Current 60
Drop-out Voltage 63
Frequency Response 65
4.3 Load Regulation 66
Challenge 66
Pole/Zero Pair Generation 67
Circuit Realizations 69
Parallel Amplifier Structure 70
Frequency Shaping Amplifier
71
4.4 Summary 75
CHAPTER V. REFERENCE DEVELOPMENT 76
5.1 Topologies 76
Zener 76
First Order Bandgap 77
Curvature Corrected Bandgap 79
5.2 Output Structures 80
V-mode and I-mode 80
IV-mode 82
5.3 Bandgap Curvature Correction Techniques 83
Vbe Loop 84
β Compensation 85
Nonlinear Cancellation 86
Temperature Dependent Resistor Ratio 88
Current Subtraction 89
5.4 Summary 91
CHAPTER VI. CIRCUIT DESIGN 93
6.1 Control Loop 95
Pass Device 95
Drop-out Handicap 99
Solution 100
Amplifier 101
Buffer 101
Gain Stage 106
6.2 Reference 108
Current Components 108
Line Regulation Enhancement 111
Trimming 115
6.3 Summary 118
CHAPTER VII. SYSTEM DESIGN 119
7.1 Block Level Diagram 119
7.2 Physical Design Issues 120
7.3 Protection 124
Overload Current Protection 125
Reverse Battery Protection 128
Thermal Shutdown Protection 131
7.4 Experimental Performance 132
7.5 Summary 146
CHAPTER VIII. CONCLUSIONS 148
8.2 Enabling Techniques 150
Current Efficiency 150
Current Boosting 150
Load Regulation Enhancement 151
Low Voltage Reference 152
8.3 Direction of Market Demand 154
Technology 154
LDO Implications 155
8.4 Conclusion and Recommendations 156
APPENDICES 158
A. Vbe Temperature Dependence Analysis 158
B. IV-mode Bandgap Trimming Procedure 162
C. Layout Plots 168
REFERENCES 171
Vita 175

liuzhieetop

:victory:

worrywart

好书，谢谢了！

xfchen

a good book

kaorukaoru

It's great!!
谢了！

freezeryan

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maplefire

谢谢啦

lczxy

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pod

Thanks!!