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LX1692A

Microsemi Corporation
Part Number LX1692A
Manufacturer Microsemi Corporation
Description Full Bridge Resonant CCFL Controller
Published Dec 27, 2006
Detailed Description www.DataSheet4U.com LX1692A TM ® Full Bridge Resonant CCFL Controller P RODUCTION D ATA S HEET DESCRIPTION KEY FEATU...
Datasheet PDF File LX1692A PDF File

LX1692A
LX1692A

Overview
www.
DataSheet4U.
com LX1692A TM ® Full Bridge Resonant CCFL Controller P RODUCTION D ATA S HEET DESCRIPTION KEY FEATURES WWW .
Microsemi .
C OM Microsemi’s LX1692A is a cost reduced, third generation Direct Drive CCFL (Cold Cathode Fluorescent Lamp) controller.
The integrated controller is optimized to drive CCFL’s using resonant full bridge inverter topology.
Resonant full bridge topology provides near sinusoidal waveforms over a wide supply voltage range in order to maximize the life of CCFL lamps, control EMI emissions, and maximize efficiency.
This new architecture also provides a wide dimming range.
The LX1692A includes safety features that limit the transformer secondary voltage and protect against fault conditions which include open lamp, broken lamp and short-circuit faults.
The LX1692A regulates the CCFL brightness in three ways: analog dimming, digital dimming, or combined analog and digital dimming methods simultaneously to achieve the widest dimming range (> 60 to 1).
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