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