We all want our laptop computers and other electronic gadgets to pack more features into less space. That requires reducing the size of power supplies, which is why power supply design is changing so fast. Now the best-selling guide to the field introduces hot innovations such as low input voltage supplies for portable electronics, power factor correction, and high-frequency ballasts. Fully updated throughout, it remains the all-in-one, ``how-to'' classic for design engineers everywhere.
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Using this book as a guide, Pressman promises, even a novice can immediately design a complete switching power supply circuit. No other book has such complete instruction in one volume. Using a tutorial, how-to approach, Pressman covers every aspect of this new technology, including circuit and transformer design, using higher switching frequencies, new topologies, and integrated PWM chips. For this latest edition, Pressman has added in-depth discussion of power factor correction, high-frequency ballasts for fluorescent lamps, and low-input voltage power supplies for laptop computers.From the Back Cover:
A practical guide to state-of-the-art power supply design
Nowhere else can you find, in one book, all the information you need to design a switching power supply. And no other book on the subject is as practical, yet mathematically sufficient, without being unnecessarily academic. Using a tutorial, how-to-do-it approach, Pressman first explains basic principles and why thigs are done as they are. With a knowledge of basic principles, the engineer can easily cope with new design requirements and evaluate alternative design decisions. The topics covered represent all those areas where a design decision has to be made in commencing a new design. These include: Topology Descriptions -- A quantitative description of the roughly 15 commonly used topologies. Maximum current and voltage stress on power transistors for specified input voltage-output powers are described. The discussion permits selection of an optimum topology for the specified input-output voltages, output powers, and the selection of the power transistors; High-Frequency Magnetics Fundamentals--Ferrite core hysteresis, coil skin effect, and proximity effect losses; Transformer Design--Derivation of equation for transformer core selection for available output power as a function of frequency, flux density, iron and bobbin area, and topology; novel charts derived from the equations, permitting core selection at a glance; core, coil, total transformer loss, and temperature rise calculations; transformer design examples in major topologies; DC Current Biased Inductor Design -- Design of inductors carrying DC bias currents using ferrite, MPP, Koolmu, and powered iron cores; Magnetic Amplifier, Snubber Designs, and Resonant Converters; Feedbak Look Stabilization; Critical Polaroid Waveforms in Major Topologies.
This second edition adds chapters on the current hottest topics in the field; power factor corrections, high-frequency ballsts for flourescent lamps, and low-input voltage power supplies for laptop computers.
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