Glossary Definition for Burst Dimming

Definition

Burst Dimming is a method of controlling the brightness of cold cathode fluorescent lamps (CCFL) by turning the lamps on and off at a rate faster than the human eye can detect. The on/off rate is nominally 100Hz to 300Hz. The higher the ratio of on-time to off-time, the brighter the lamps will be. Because of CCFL response times, on-time to off-time ratios of less than 1% are not practical.

Keywords

cold cathode fluorescent, CCFL, brightness, dimming

Related Parts

• DS3988 - 8-Channel Cold-Cathode Fluorescent Lamp Controller
• DS3994 - 4-Channel Cold-Cathode Fluorescent Lamp Controller

See Also

• CCFL
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