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