Switchmode power supply handbook

✍ Scribed by Keith H Billings; Taylor Morey

• Publisher: McGraw-Hill
• Year: 2011
• Tongue: English
• Leaves: 414
• Category: Library

✦ Synopsis

''The definitive guide to switchmode power supply design--fully updated covering the latest developments and techniques, Switchmode Power Supply Handbook, third edition is a thorough revision of the industry-leading resource for power supply designers. New design methods required for powering small, high-performance electronic devices are presented. Based on the authors' decades of experience, the book is filled with real-world solutions and many nomograms, and features simplified theory and mathematical analysis. This comprehensive volume explains common requirements for direct operation from the AC line supply and discusses design, theory, and practice. Engineering requirements of switchmode systems and recommendations for active power factor correction are included. This practical guide provides you with a working knowledge of the latest topologies along with step-by-step approaches to component decisions to achieve reliable and cost-effective power supply designs. Switchmode Power Supply Handbook, third edition covers: Functional requirements of direct off-line switchmode power supplies; Power components selection and transformer designs for converter circuits; Transformer, choke, and thermal design; Input filters, RFI control, snubber circuits, and auxiliary systems; Active power factor correction system design; Worked examples of would components; Examples of fully resonant and quasi-resonant systems; A resonant inverter fluorescent ballast; An example of high-power phase shift modulated system; A new MOSFET resonant inverter drive scheme; A single-control, wide-range wave oscillator''-- Read more...

✦ Table of Contents

Content: Functions and requirements common to most direct-off-line switchmode power supplies. Common requirements : an overview --
AC powerline surge protection --
Electromagnetic interferences (EMI) in switchmode power supplies --
Faraday screens --
Fuse selection --
Line rectification and capacitor input filters for ''direct-off-line'' switchmode power supplies --
Inrush control --
Start-up methods --
Soft start and low-voltage inhibit --
Turn-on voltage overshoot prevention --
Overvoltage protection --
Undervoltage protection --
Overload protection --
Foldback (reentrant) output current limiting --
Base drive requirements for high-voltage bipolar transistors --
Proportional drive circuits for bipolar transistors --
Antisaturation techinques for high-voltage transistors --
Snubber networks --
Cross conduction --
Output filters --
Power failure warning circuits --
Centering (adjustment to center) of auxiliary output voltages on multiple-output converters --
Auxiliary supply systems --
Parallel operation of voltage-stabilized power supplies --
Design : theory and practice. Multiple-output flyback switchmode power supplies --
Flyback transformer design --
Reducing transistor switching stress --
Selecting power components for flyback converters --
The diagonal half-bridge flyback converter --
Self-oscillating direct-off-line flyback converters --
Applying current-mode control to flyback converters --
Direct-off-line single-ended forward converters --
Transformer design for forward converters --
Diagonal half-bridge forward converters --
Transformer design for diagonal half-bridge forward converters --
Half-bridge push-pull duty-ratio-controlled converters --
Bridge converters --
Low-power self-oscillating auxiliary converters --
Single-transformer two-transistor self-oscillating converters --
Two-transformer self-oscillating converters --
The DC-to-DC transformer concept --
Multiple-output compound regulating systems --
Duty-ratio-controlled push-pull converters --
DC-to-DC switching regulators --
High frequency saturable reactor power regulator (magnetic duty ratio control) --
Constant-current power supplies --
Variable linear power supplies --
Switchmode variable power supplies --
Switchmode variable power supply transformer design --
Applied design. Inductors and chokes in switchmode supplies --
High-current chokes using iron powder cores --
Choke design using iron powder toroidal cores --
Switchmode transformer design (general principles) --
Optimum 150-w transformer design example using nomograms --
Transformer staircase saturation --
Flux doubling --
Stability and control-loop compensation in smps --
The right-half-plane zero --
Current-mode control --
Optocouplers --
Ripple current ratings for electrolytic capacitors in switchmode power supplies --
Noninductive current shunts --
Current transformers --
Current probes for measurement purposes --
Thermal management (in switchmode power supplies) --
Supplementary. Active power factor correction --
The merits and limitations of hard switching and fully resonant switchmode power supplies --
Quasi-resonant switching converters --
A fully resonant self-oscillating current fed fet type sine wave inverter --
A single control wide range sine wave oscillator.
Abstract:

The most comprehensive book on power supply design is now fully updated with the latest techniques for designing today's highly efficient quasi-resonant high power converter systems. Read more...