
Microsemi Corporation
Description
The LX6503A is a high performance CCFL controller optimized for larger LCD-TV and other multi-lamp LCD display systems.
KEY FEATUREs
400V Off-PFC HV-LIPS Support
> Half-bridge or Full-Bridge drive support for inverters
Integrated JIN’s PureBLACKTM Mega Dimming
> Supports BURST PWM dimming for ‘true zero’ percent duty cycle operation
Comprehensive Brightness Control Modes
> Analog only @ adjust lamp current only
> Analog BURST Dimming @ analog voltage to BURST PWM
> Digital BURST Dimming @ Direct PWM BURST input
Multiple Drive Topologies Supported
> Push-Pull, Half-bridge, and Full-bridge
> 600mA sourcing or sinking gate drivers
Lamp Frequency Synchronization - SYNC
> Auto sync signal detection to lower or higher external frequency with min/max limiting and frequency hold
Protection, Lamp Strike, Detection, and Operation
> OLP, OVP (regulation/protection), OIP and Short Circuit
> Programmable STRIKE and Fault time (run mode)
> Programmable STRIKE frequency
APPLICATIONS
> Large screen LCD Televisions
> Multi-lamp LCD monitors for demanding graphics and imaging applications
> CCFL, EEFL, FFL Backlight systems