SAN DIEGO, Oct. 24 /PRNewswire-FirstCall/ -- LEDS 2007 – National Semiconductor Corporation today introduced the industry's first common-anode, current-mode, high-brightness light-emitting diode (LED) driver with pulse-width modulation (PWM) dimming. The LM3433, a member of National's PowerWise(R) energy-efficient product family, drives high-power, high-brightness LEDs in backlighting, projector and solid-state lighting applications.