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National Semiconductor to Showcase Power Management Innovations at PCIM 2007

Company Will Introduce New Power-over-Ethernet Controller; Five of National’s Technical Experts Will Deliver Presentations on Power Solutions

Apr 23, 2007

Fuerstenfeldbruck, Germany - April 23, 2007 - National Semiconductor Corporation (NYSE: NSM), a worldwide leader in power management technology, will showcase its latest power management technology at the Power Conversion and Intelligent Motion (PCIM) Conference in Nuremberg, Germany, from May 22-24.  PCIM is one of the industry’s leading forums for presenting and discussing power electronics and its applications in intelligent motion.

In Hall 12, Booth 329 of the Nuremberg Exhibition Center, National will demonstrate a new Power-over-Ethernet controller with an adjustable output power level that is compatible with any DC-DC converter topology.  The company will also demonstrate the LM5116, the industry’s first 100V current-mode buck controller. The LM5116 is ideally suited for step-down regulator applications from a high voltage or from a widely varying input supply. Designed with National’s patented Emulated Current Mode (ECM) technology, this synchronous buck controller offers a unique combination of high performance, flexibility and ease-of-use for DC-DC power supply designs.

A third highlight at the show is National’s latest generation of SIMPLE SWITCHER® regulators. The six new high-frequency buck regulators operate with an input voltage range up to 75V and deliver up to 3A of continuous output current. Their designed-in ECM technology provides superior load transient response in low duty cycle applications that are not addressable by traditional current mode control. Combined with the recent “dial-in” performance enhancements to National’s WEBENCH online design environment, SIMPLE SWITCHER regulators offer design engineers high performance, ease-of-use and flexibility to provide faster time-to-market for their DC-DC power supply designs.

In addition to the product demos, National’s technical experts will speak on a range of power management topics at four presentations and two poster sessions:

I. PCIM Conference

Session 2c, DC/DC II
Date: Tuesday, May 22
Time: 2.30 p.m. – 3.00 p.m.
Topic: Design and Optimization of Emulated Peak-Current Mode Controlled Buck Regulators
Speaker: Werner Berns, Applications Design Center Manager Europe, National Semiconductor

Session 3b, Control in Power Electronics
Date: Wednesday, May 23,
Time: 10.00 a.m. – 10.30 a.m.
Topic: The Impact of Op -Amp Dynamic Response on the Design of High-Frequency DC/DC Switching Regulators
Speaker: Michele Sclocchi, Senior Principal Applications Engineer Power Management Europe, National Semiconductor

Poster/Dialogue Session, PP 30, Upper Floor:
Date: Wednesday, May 23
Time: 4.15 p.m. - 5.15 p.m.
Topic: A Secondary Side Post Regulator PWM Scheme Utilizing Valley Current Mode Control in Conjunction with Leading Edge Modulation
Speaker: Sameh Sarhan, Applications Engineer National Semiconductor, Santa Clara, California/USA

Poster/Dialogue Session, PP42, Upper Floor:
Date: Wednesday, May 23
Time: 4.15 p.m. -  5.15 p.m.
Topic: Automotive Switching DC/DC Regulator Concepts with High Efficiency Sleep  Mode
Speaker: Frederik Dostal, Applications Engineer Power Management, National Semiconductor, Phoenix, Arizona/USA

II. Forum Presentations in Hall 12, Booth 357

Date: Tuesday, May 22
Time: 2.25 p.m. – 3.25 p.m.
Topic: Lighting Leads the Way (panel discussion by Power Systems Design Europe Magazine)
Speaker: Michele Sclocchi, Senior Principal Power Management Applications Engineer, National Semiconductor, Europe

Date: Wednesday, May 23
Time: 9.20 a.m. – 9.40 a.m.
Topic: New SIMPLE SWITCHER® Buck Regulators for more Flexibility and Performance
Speaker: Ralf Regenhold, Product Applications Engineer Power Management, National Semiconductor, Europe

About National’s Power Management Products
National solves power management design problems in space- and energy-constrained applications from feature-rich handheld devices through large line-powered systems. From the novice power designer to the power expert, National’s products, people and design tools enable customers to design green-powered systems with complex power supplies in the shortest amount of time. High-performance products include switching regulators such as National’s flagship SIMPLE SWITCHER® family, and application-specific products including white-LED drivers and Power-over-Ethernet controllers. More information about National’s power management products is available at

About National Semiconductor
National Semiconductor, the industry's premier analog company, creates high-value analog devices and subsystems.  National's leading-edge products include power management circuits, display drivers, audio and operational amplifiers, interface products and data conversion solutions. National's key analog markets include wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial, and test and measurement applications. Headquartered in Santa Clara, Calif., National reported sales of $2.16 billion for fiscal 2006, which ended May 28, 2006.  Additional company and product information is available at www.national.com