Texas Instruments and Avnet Electronics Marketing Americas Present Live Analog eLab Webcast on PCB Layout Techniques for Switching Regulators

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Texas Instruments Incorporated (TI) (NYSE:
TXN) and Avnet Electronics Marketing Americas, the largest operating group of Avnet, Inc. (NYSE: AVT) will present a live Analog eLab Webcast for designers entitled “PCB Layout Techniques for Switching Regulators” on Wednesday, October 11, 2006, at 11:00 a.m. CDT (18:00 hrs CET). During the online discussion, TI analog expert Bill Klein, P.E., and eLab panelists Richard Garvey of TI and Pat Hunter of Avnet will discuss proper PCB layout when using high-frequency DC/DC switching regulators. Engineers are invited to register for the one-hour session at www.ti.com/analogelab.

Webcast panelists will address the need to move away from using a traditional 3-terminal linear regulator as system voltages decrease and currents increase in system applications. While this technique typically involves placing the regulator on the PCB, switching regulars are quite different. These new regulators typically leverage high-frequency switching techniques to convert one voltage level to another. The switching techniques create high voltage and current slew rates that interact with PCB parasitics and can cause significant performance problems. The expert panelists will dicuss proper layout techniques for avoiding design pitfalls.

During the lab segment, Klein and Garvey will demonstrate how to minimize parasitic components when laying out a PCB. They will discuss which traces create noise and which traces are susceptible to noise within a switching regulator. In addition, they will provide engineers with basic knowledge on the layout of a switching regulator, how to place and route the power train and how to control it. This will help the engineers avoid the most common problem of noise when using a switching regulator.

Analog eLab Engineers

Bill Klein, P.E., is the host for the TI Analog eLab Webcast. Klein is a senior applications engineer with the high performance linear division of TI. He joined TI through its acquisition of Burr-Brown in August 2000. Klein is the author of more than 50 magazine articles, application notes and conference papers. His experience as an analog circuit designer covers 30 years in fields ranging from mineral exploration to nuclear medical imaging.

Richard Garvey is an applications manager for power supply and DC/DC controller products in TI’s power management business. He has 20 years experience in design and development in this field. Garvey earned an honors degree in electronic engineering from the University of Dublin, Ireland.

Pat Hunter is a technical specialist with Avnet’s power group. He has been in the electronics industry for 12 years and previously worked as a design engineer. Hunter earned a BSEE from the University of North Carolina at Charlotte.
To view previous Analog eLab Webcasts, visit www.ti.com/analogelab. In addition to eLabs, TI offers analog engineers a wide-ranging support infrastructure that includes training and seminars, design tools and utilities, technical documentation, evaluation modules, an online knowledge base, a product information hotline and a comprehensive offering of samples that ship within 24 hours of request. TI keeps the engineer in mind throughout the design process by providing tools, systems expertise and technical support to help customers get to market quickly. For more information on TI’s complete analog design support see http://www.ti.com/analog

About Avnet Electronics Marketing

Avnet Electronics Marketing is the largest operating group of Phoenix-based Avnet Inc. (NYSE:AVT), a Fortune 500 company. Avnet Electronics Marketing serves electronic original equipment manufacturers (EOEMs) and electronic manufacturing services (EMS) providers in 68 countries, distributing electronic components from leading manufacturers and providing associated design-chain and supply-chain services. The group's Web site is located at http://www.em.avnet.com.

Avnet enables success from the center of the technology industry, providing cost-effective services and solutions vital to a broad base of more than 100,000 customers and 300 suppliers. The company markets, distributes and adds value to a wide variety of electronic components, enterprise computer products and embedded subsystems. Through its premier market position, Avnet brings a breadth and depth of capabilities that help its trading partners accelerate growth and realize cost efficiencies. For fiscal year ended July 2, 2005, Avnet and the recently acquired Memec (closed July 5, 2005) generated combined revenue in excess of $13 billion in the past year through sales in approximately 70 countries. Visit www.avnet.com/.
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