DESCRIPTION

Microsemi’s LX1696A is a full bridge resonant controller designed specifically for Automotive and high performance display applications. The Direct Drive CCFL (Cold Cathode Fluorescent Lamp) controller is optimized to provide the functions, efficiency, and safety features critical to vehicular applications while providing major advancements in overall component count and costs at the system level.

KEY FEATURES

◾ For Wide Voltage Range Inverter Application (7V to 22V)

◾ Patent Resonant Lamp Strike for Unsurpassed Striking Power Combined with Best Efficiency

◾ Reduced Corona Stress To Transformers

◾ Wide Dimming Range • Direct Low PWM Brightness Control Input Provides > 300:1 Capability • DC Brightness Control Input Provides > 80:1 capability

◾ Programmable Burst Dimming Frequency

◾ Programmable Time Out Protection

◾ Fixed Operating Frequency

◾ Open Lamp Voltage Protection, Short Lamp Protection, Arc Protection2

◾ Compatible with Existing Transformers

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

◾ Automotive

◾ Industrial Application

◾ Avionics

◾ Marine