LX1689 I N T E G R A T E D P R O D U C T S Third Generation CCFL Controller P RODUCTION D ATA S HEET DESCRIPTION KEY FEATURES WWW .
Microsemi .
C OM The LX1689 is the latest generation Direct Drive CCFL (Cold Cathode Fluorescent Lamp) Controller.
It uses new circuit design techniques (patents pending) and combines digital and linear circuits with an advanced BiCMOS process to create a more complete controller in a small package.
When compared to the original LX1686 design, identical module applications use from 12 to 30 less components.
New functions and enhancements have been added to make the LX1689 even easier to use.
The on-chip PLL circuit used to synchronize the digital dimming bu...

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