High power desktop LCD backlight controller supports wide dimming ratios while maximizing lamp lifetime
Rich Philpott
Abstract
A high power desktop LCD backlight controller that supports wide dimming ratios while maximizing lamp lifetime is described.
Keywords
Cold cathode fluorescent lamps
CCFL controller
Multimode Dimming
LT1768
Introduction
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 ...
Get Analog Circuit Design Volume Three now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
