精通开关电源设计(英文原版)

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精通开关电源设计(英文原版),该书为英文版开关电源设计
This Page Intentionally Left Blank Switching Power Supplies a to Z Sanjaya Maniktala AMSTERDAM· BOSTON· HEIDELBERO· LONDON NEW YORK· OXFORD· PARIS· SAN DIEGO SAN TFRANCISCO· SINGAPORD· SYDNEY· TOKYO ELSEVTER print of e Newnes Newnes is an imprint of Elsevier 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA Linacre house. jordan hill. Oxford OX2 8DP UK Copyright O 2006, Elsevier Inc. 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 Permissions may be sought directly from Elseviers Science Technology Rights Department in OxfordUk:phone:(+44)186.584830,fax:(+44)18658.53333.E-mail:permissions(@elsevier.com Youmayalsocompleteyourrequeston-lineviatheElsevierhomepage(http:/elsevier.com),by electing"Support Contact"then"Copyright and Permission"and then Obtaining Permissions Recognizing the importance of preserving what has been written, Elsevier prints its books on acid-trcc paper whcncvcr possiblc Library of Congress Cataloging-in-Publication Data Application Submitted British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library ISBN13:9780-7506-7970-1 ISBN10:0-7506-7970-0 For information on all Ncwncs publications visitourWebsiteatwww.books.elsevier.com 060708091010987654321 Printed in the United States of america Working together to grow libraries in developing countries www.clsevier.comiwww.brnokaid.orgIwww.sabre.org elsevier BOOK AID Sabre foundation Contents Preface..……………… Acknowledgements..…… XV Chapter 1: The Principles of Switching Power Conversion Introduction Overview and basic terminology Understanding the inductor 22 Evolution of Switching Topologies 43 Chapter2: DC-DC Converter Design and Magnetics.………………………61 DC Transfer functions The DC Level and the"Swing"of the Inductor Current Waveform 65 Defining the ac. dc. and Peak currents 68 Understanding the AC, dC and Peak Currents 70 Defining the“ Worst-case¨” Input Voltage..……,, The current ripple ratio‘r’. .:· 75 Relating r to the Inductance 75 The Optimum value of r Do We mean inductor? Or Inductance? How Inductance and Inductor Size Depend on Frequency 80 How Inductance and Inductor Size Depend on Load Current How Vendors specify the Current rating of an Off-the-shelf Inductor and How to select It ∴..81 What Is the Inductor Current Rating We need to Consider for a Given Application? The Spread and Tolerance of the Current Limit Worked Example(1) Worked Examples(2, 3, and 4) ,,,100 Worked Example(5)-When Not to Increase the Number of Turns .106 Worked Example(6)-Characterizing an Off-the-shelf Inductor in a Specific application 110 Calculating the“ Other” Worst-case stresses∴ Contents Chapter 3: Off-line Converter Design and Magnetics 127 Flyback Converter Magnetics 130 Forward Converter Magnetics 152 Chapter4: he Topology所AQ.……… 177 Questions and Answers....... ..179 Chapter 5: Conduction and Switching Losses 203 Switching a resistive load 206 Switching an inductive load 210 Switching losses and conduction loss 13 A Simplified Model of the Mosfet for Studying Inductive Switching 215 The Parasitic Capacitances Expressed in an Alternate System.……,………,217 Gate Threshold Voltage................... 218 The Turn-on transition 218 The Turn-off transition 222 Gate Charge Factors 224 Worked Example........... 27 Applying the Switching Loss Analysis to Switching Topologies 23 Worst-case Input Voltage for Switching Losses .....232 How Switching Losses Vary with the Parasitic Capacitances 233 Optimizing Driver Capability vis-a-vis Mosfet Characteristics 234 Chapter 6: Printed Circuit Board Layout 237 Introduction Trace Section Analysis. Some points to Keep in Mind During Layout 240 Thermal management Concerns 247 Chapter 7: Feedback Loop Analysis and Stability 249 Transfer Functions, Time Constant and the Forcing Function............. 251 Understanding eand Plotting Curves on Log Scales 252 Time Domain and Frequency Domain Analysis 255 Complex representation.......... 256 Nonrepetitive Stimuli ∴.258 S-plane 258 Laplace Transform 260 Disturbances and the role of feedback ,,,262 Transfer function of the rc filter 264 The Integrator Op-amp("pole-at-zcro"filter 267 Mathematics in the log plane ..269 Transfer Function of the lc filter 270 Summary of Transfer Functions of Passive Filters 273 Poles and zeros 274 Interaction of Poles and Zeros 276 Closed and Open Loop gain 277 The Voltage divider 280 Pulse width Modulator Transfer Function(gain) 281 Voltage Feedforward 282 Power Stage Transfer Function ..283 Plant Transfer Functions of All the Topologies 284 Boost converter 286 Feedback Stage Transfer functions 289 Closing the Loop............................ 291 Criteria for Loop Stability ∴.293 Plotting the Open-loop Gain and Phase with an Integrator 293 Canceling the double pole of the lc filter................ 295 The esr zero ∴,,,296 Designing a Type 3 Op-amp Compensation Network Optimizing the Feedback Loop ..301 Input Ripple rejection 304 Load transients 305 Type 1 and Type 2 Compensations 306 Transconductance Op-amp Compensation 308 Simpler Transconductance Op-amp Compensation 311 Compensating with Current Mode Control 313 Chapter 8: EMI from the Ground up-Maxwell to CISPR 323 The standards Maxwell to emi ·垂垂,香 328 Susceptibility/Immunity ∴,,333 Some cost-related Rules-of-thumb 335 EMi for Subassemblies 335 CISPR 22 for Telecom Ports- Proposed Changes 336 Contents Chapter9: Measurements and Limits of Conducted EM.…………………339 Differential mode and Common mode noise 341 How Conducted emi is measured 344 The Conducted emission limits 348 Quasi-peak, Average, and peak measurements 35l Chapter 10: Practical EMI Line Filters 355 Safety Issues in EMI Filter Design .357 Practical Line filters 359 Safety Restrictions on the Total Y-capacitance 367 Equivalent DM and CM Circuits 368 Some notable Industry Experiences in EMI 371 Chapter 11: DM and CM Noise in Switching Power Supplies 373 Main source of dm noise 375 The main source of cm noise ∴377 The ground Choke 385 Chapter 12: Fixing EMI across the board .387 The role of the transformer in emi ....389 EMI from diodes 394 Beads, and an Industry Experience-the dv/dt of Schottky Diodes .397 Basic Layout guide 398 Last-ditch troubleshooting 399 Are We going to fail the radiation test? 40 Chapter 13: Input Capacitor and Stability Considerations in EMI Filters .403 Is the dm choke saturating? 405 Practical Line filters in DC-DC Converter Modules 410 Chapter14: The Math behind the Electromagnetic Puzzle.…………………417 Math background - Fourier series 419 The rectangular wave ·.········: 420 Analysis of the rectangular W 423 The trapezoid ∴..424 The EMi from a Trapezoid 426 The road to Cost-cffective filter design 427 Practical dm filter design 430 Practical CM Filter Design 433 Appendlⅸx1: Focusing on Some Real-worldlssues……………………………437 Sounds like worst-case. But Theres danger lurking in the middle 439 Loop design Sometimes Compensates for Lower-quality Switchers 着音垂 440 Re-inventing the wheel. as a Square ...442 The Mighty Zener 444 Better Do the math: ignore transfer Functions at Your own peril 447 Aluminum Cap Multipliers- Why We Cant Have Them and Eat Them Too 449 Limit Your Peak Current, Not Your reliability 452 Reliability is no flash in the pan ∴∴.455 The Incredible shrinking Core .459 Plain lucky We dont Live in a PSpice world 462 Why Does the Efficiency of My Flyback Nosc-dive? 465 It's Not a Straight Line: Computing the Correct Drain to Source Resistance from V-I Curves 468 Don't Have a Scope?Use a DMM, Dummy! 470 Are We Making Light of Electronic Ballasts?.................... 473 More on designing reliable electronic ballasts 476 The Organizational Side of Power Management: One Engineer's Perspective 480 Appendiⅸ2: Reference Desig" Table………… 485 References,…,…,,,…,489 Index 493

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试读 127P 精通开关电源设计(英文原版)
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czyfeifei 中文版的公式有很多的错误,对照下英文版的,看是否有同样的错误。
2017-09-07
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lxfl24 质量很好 扫描清晰 谢谢
2016-08-03
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hotwolf2982 开关电源中很经典的书,我看过本书的前两章,建议大家中英文一起看!
2016-07-29
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caigutan 对设计和维修电源很有帮助,无水印高清版。
2016-07-20
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jerrytan1989 很经典的书,喜欢,谢谢分享
2016-04-29
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wangda114 开关电源经典书籍
2016-02-20
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zzsb2007 非常有用的好书
2016-01-13
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shanyejushi68 经典的电源设计图书,值得收藏。
2015-07-26
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odin_shen 对设计和维修电源很有帮助!
2015-07-20
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cszoudnx2 无水印高清版,不错
2015-01-30
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