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Updated: July 8th, 2008 05:26 PM CDT

National Semiconductor's Three New Inductor-less White LED Drivers Feature Dual-gain Architecture for Highest Efficiency in Portable Devices

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About National's Power Management Products

National Semiconductor is the number one supplier of power management ICswith 14.1 percent market share, according to iSuppli's 2005 voltage regulator/reference survey. National's power management revenue grew 37.3 percent in 2004 over the previous year, compared to 24 percent growth for theindustry. National's innovative power management products include best-in-class linear regulators; power monitoring, control and reference ICs; and switching converters, such as high-voltage ICs for DC-DC conversion, switched capacitor converters, lighting management ICs and inductive switching converters. National also offers online tools that enable power designers to select the best power management chips for their applications. National'sWebench(R) design tool allows designers to choose a product, create andanalyze a design, and then build custom prototypes that can be delivered within 24 hours. More information about National's power management productsis available at http://power.national.com .

Pricing and Availability

The LM27951, LM27952 and LM27964 charge-pump-based white LED drivers are available now. The LM27951 and LM27952 are packaged in thermally enhanced14-lead LLP(R) packages and are priced at $1.50 each in 1,000-unit quantities.The LM27964 is available in a thermally enhanced 24-lead LLP(R) package and priced at $1.86 each in 1,000-unit quantities. Lead-free package options are also available.

For more information about the LM27951 or to order samples, visithttp://www.national.com/pf/LM/LM27951.html . For more information about theLM27952 or to order samples, visit http://www.national.com/pf/LM/LM27952.html. For more information about the LM27964 or to order samples, visithttp://www.national.com/pf/LM/LM27964.html . For more information onNational's white LED driver products, visit power.national.com. A largeselection of white LED drivers is supported by National's WEBENCH onlinedesign tool. To explore these solutions, visit http://webench.national.com .To learn more about designing with white LED drivers, visit National's libraryof online seminars at http://www.national.com/onlineseminar/ .

About National Semiconductor

National Semiconductor, the industry's premier analog company, createshigh-value analog devices and subsystems. National's leading-edge productsinclude power management circuits, display drivers, audio and operationalamplifiers, communication interface products and data conversion solutions.National's key analog markets include wireless handsets, displays and avariety of broad electronics markets, including medical, automotive,industrial, and test and measurement applications. Headquartered in SantaClara , California, National reported sales of $1.91 billion for fiscal 2005,which ended May 29, 2005 . Additional company and product information isavailable at www.national.com.

NOTE: National Semiconductor, WEBENCH and LLP are registered trademarksof National Semiconductor Corporation. All other brand or product names aretrademarks or registered trademarks of their respective holders.


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