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Integrated High-Vin Multi-MHz Converters

✍ Scribed by Jürgen Wittmann

Publisher
Springer International Publishing
Year
2020
Tongue
English
Leaves
184
Edition
1st ed. 2020
Category
Library
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✦ Synopsis

This book provides readers with guidelines for designing integrated multi-MHz-switching converters for input voltages/system supplies up to 50V or higher. Coverage includes converter theory, converter architectures, circuit design, efficiency, sizing of passives, technology aspects, etc. The author discusses new circuit designs, new architectures and new switching concepts, including dead-time control and soft-switching techniques that overcome current limitations of these converters. The discussion includes technology related issues and helps readers to choose the right technology for fast-switching converters. This book discusses benefits and drawbacks in terms of integration, size and cost, efficiency and complexity, and enables readers to make trade-offs in design, given different converter parameters.


  • Describes a study for increasing switching frequencies up to 30 MHz at input voltages up to 50V or higher in the scaling of the size of switching converter passives;
  • Analyzes various buck converter implementations and shows that a preference due to higher efficiency depends on the operating point, on the available switch technologies, and on the implementation of the high-side supply generation;
  • Describes an efficiency model based on a four-phase model, which enables separation of loss causes and loss locations.

✦ Table of Contents

Front Matter ....Pages i-xx
Introduction (Jürgen Wittmann)....Pages 1-8
Motivation for High-Vin Converters and Fundamentals (Jürgen Wittmann)....Pages 9-46
Fast-Switching High-Vin Buck Converters (Jürgen Wittmann)....Pages 47-65
Design of Fast-Switching Circuit Blocks (Jürgen Wittmann)....Pages 67-87
Efficiency and Loss Modeling of High-Vin Multi-MHz Converters (Jürgen Wittmann)....Pages 89-123
Dead Time Control (Jürgen Wittmann)....Pages 125-140
Resonant Converters (Jürgen Wittmann)....Pages 141-159
Conclusion and Outlook (Jürgen Wittmann)....Pages 161-167
Back Matter ....Pages 169-171

✦ Subjects

Engineering; Circuits and Systems; Electronics and Microelectronics, Instrumentation; Electronic Circuits and Devices

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