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Use a DS3882 CCFL Controller to Drive a Two-Lamp Common-Return Configuration

Authored on: Jan 3, 2008

Technical Paper / Application Note

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This application note describes a backlight liquid crystal display (LCD) application in which two adjacent cold cathode fluorescent lamps (CCFLs) share a common, low-voltage side lamp connection. This design is found in automotive, industrial, and avionic applications. The note describes how a DS3882 CCFL controller can be used to drive the two CCFL lamps that share a common return.

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