A high power desktop LCD backlight controller that supports wide dimming ratios while maximizing lamp lifetime is described.
Cold cathode fluorescent lamps
Liquid crystal displays (LCDs), long standard in laptop computers and handheld instruments, are gaining in popularity as desktop computer displays. Larger displays require multiple high power cold cathode fluorescent lamps (CCFLs). The lamps must have a dimming range and life expectancy comparable to those of previous generations of desktop displays. To achieve maximum lamp lifetime ...