
Microsemi Corporation
DESCRIPTION
Microsemi’s LX1692B is a cost reduced, third generation CCFL (Cold Cathode Fluorescent Lamp) controller. The integrated controller is optimized to drive CCFL’s using resonant full bridge inverter topology.
KEY FEATURES
◾ For Wide Voltage Range Inverter Application (7V to 22V)
◾ Low Stress to Transformers
◾ Wide Dimming Range
Analog Dimming: >3 to 1
Digital Dimming : >20 to 1
Combined: >60 to 1
◾ Programmable Burst Dimming Frequency
◾ Programmable Time Out Protection
◾ Fixed Operating Frequency
◾ Open Lamp Voltage Protection, Short Lamp Protection, Arc Protection1
BenefitS
◾ Even Display Light Distribution
◾ Longer Lamp Life with Optimized Lamp Current Amplitude
◾ Reduced Operating Voltage Lowers Corona Discharge and Prolongs Module Life
◾ High “Nits / Watt” Efficiency Makes Less Heat and Brighter Displays
APPLICATIONS
◾ LCD TV
◾ LCD Monitor