National Semiconductor creates energy-efficient analog and mixed-signal semiconductors as well as SolarMagic™ power optimizers. Its PowerWise® products enable systems that consume less power, extend battery life, and generate less heat. National's leading-edge products include power management circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions. Headquartered in Santa Clara, Calif., National reported sales of $1.46 billion for fiscal 2009 which ended May 31, 2009.