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Elsevier Newnes - Power Supply Cookbook (2nd Edition), zasilacze

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 Power
Supply
Cookbook
Second Edition
Marty Brown
Boston Oxford Johannesburg Melbourne New Delhi
Newnes is an imprint of Butterworth–Heinemann.
Copyright © 2001 by Butterworth–Heinemann
A member of the Reed Elsevier group
All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical, photocopying,
recording, or otherwise, without the prior written permission of the publisher.
Recognizing the importance of preserving what has been written,
Butterworth–Heinemann prints its books on acid-free paper whenever possible.
Butterworth–Heinemann supports the efforts of American Forests and the Global
ReLeaf program in its campaign for the betterment of trees, forests, and our
environment.
Library of Congress Cataloging-in-Publication Data
Brown, Marty.
Power supply cookbook / Marty Brown.—2nd ed.
p. cm.
Includes bibliographical references and index.
ISBN 0-7506-7329-X
1. Electric power supplies to apparatus—Design and construction.
2. Power electronics. 3. Electronic apparatus and appliances—power
supply. I. Title.
TK7868.P6 B76 2001
621.381¢044—dc21
00-050054
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
The publisher offers special discounts on bulk orders of this book.
For information, please contact:
Manager of Special Sales
Butterworth–Heinemann
225 Wildwood Avenue
Woburn, MA 01801-2041
Tel: 781-904-2500
Fax: 781-904-2620
For information on all Newnes publications available, contact our World Wide Web
home page at: http://www.newnespress.com
10987654321
Printed in the United States of America
Contents
Preface ix
Introduction xi
1. The Role of the Power Supply within the System and the
Design Program
1.1 Getting Started. This Journey Starts with the First Question 1
1.2 Power System Organization 2
1.3 Selecting the Appropriate Power Supply Technology 3
1.4 Developing the Power System Design Specification 5
1.5 A Generalized Approach to Power Supplies: Introducing the
Building-block Approach to Power Supply Design 8
1.6 A Comment about Power Supply Design Software 9
1.7 Basic Test Equipment Needed 9
2. An Introduction to the Linear Regulator
2.1 Basic Linear Regulator Operation 11
2.2 General Linear Regulator Considerations 12
2.3 Linear Power Supply Design Examples 14
2.3.1 Elementary Discrete Linear Regulator Designs 15
2.3.2 Basic 3-Terminal Regulator Designs 15
2.3.3 Floating Linear Regulators 18
3. Pulsewidth Modulated Switching Power Supplies
3.1 The Fundamentals of PWM Switching Power Supplies 21
3.1.1 The Forward-mode Converter 22
3.1.2 The Boost-mode Converter 24
3.2 The Building-block Approach to PWM Switching Power Supply
Design 26
3.3 Which Topology of PWM Switching Power Supply to Use? 28
3.4 The “Black Box” Considerations for Switching Power Supplies 34
3.5 Design of the Magnetic Elements 37
3.5.1 The Generalized Design Flow of the Magnetic Elements 37
3.5.2 Determining the Size of the Magnetic Core 38
3.5.3 Designing the Forward-mode Transformer 40
3.5.4 Designing the Flyback Transformer 42
3.5.5 Designing the Forward-mode Filter Choke 46
3.5.6 Designing the Mutually Coupled, Forward-mode Filter Choke 47
3.5.7 Designing the dc Filter Choke 48
3.5.8 Base and Gate Drive Transformers 50
3.5.9 Winding Techniques for Switchmode Transformers 52
3.6 The Design of the Output Stages 56
3.6.1 The Passive Output Stage 58
v
Power Supply Cookbook
Second Edition
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