WHAT'S NEW
News
Events
  • Complimentary National Semiconductor and Freescale Hands-On Sensor Designer Seminar at various locations through July 8, 2009. Register Now!
  • X-fest Supplier - October '09 through Feb '10, various locations throughout Asia, Europe, North America and Japan
  • Online Seminars

For more information on all events, visit our events page.

 

WEBENCH® Design Tools
Products
  • DS64BR401 - Quad Bi-Directional Transceiver with Equalization and De-Emphasis
  • DS50PCI401 - 2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Transceiver with Equalization and De-Emphasis
  • LMV1090 - Dual Input, Far Field Noise Suppression Microphone Amplifier
  • LMH2190 - Quad Channel 26 MHz Clock Tree Driver with IC Interface
  • LM3429 - N-Channel Controller for Constant Current LED Drivers
  • LM3554 - 1.2A Dual Flash LED Driver System with I2C Compatible Interface
  • LP5553 - PowerWise AVS Energy Management Unit with SPMI
  • LM57 - Resistor-Programmable Temperature Switch and Analog Temperature Sensor from the PowerWise® Family
  • LM25011 - 42V, 2A Constant On-Time Switching Regulator with Adjustable Current Limit

 

PowerWise® Solutions

 

 

SolarMagic™ Technology



Maximizing Solar Panel Efficiency

National's SolarMagic™ technology recoups up to 50 percent of the lost energy, dramatically improving the economics in shaded and other real-world conditions.

DESIGN
Reference Designs

See all reference designs

  • RD-173 - Nuventix SynJet MR16 & PAR20, PAR25, PAR30, PAR38 LED Bulb Replacement
  • RD-172 - Off-Line TRIAC Dimmer LED Driver Reference Design
    This reference design converts 90 VAC to 135 VAC input, and drives seven, or eight series connected LED's from 300 to 600 mA average current. The LM3445 switching frequency is set at a nominal 225 kHz.

 

Application Notes
  • AN-1935 - LM3445 Off-Line TRIAC Dimmer LED Driver Demo Board
  • AN-1865 - Frequency Synthesis and Planning for PLL Architectures
  • AN-1910 - LMK04000 Jitter Cleaner Family Phase Noise Characterization
  • AN-1822 - LMH6733 High Definition Video Transmission Over CAT5
  • AN-1930 - SIMPLE SWITCHER® Regulators Take Over Automotive Applications

See all application notes.

 

Models & Software

Models

Software

 

Samples / Evaluation Boards
Quality / Packaging / Export
Technical Support
APPLICATIONS
EXPLORE
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PowerWise Design University

START HERE for a new and improved version of the PowerWise Design University.  

For a tutorial of the site click here

 

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Information about benefits, culture, locations and exciting career opportunities at National Semiconductor.

 


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