LX6523 - Microsemi Corporation

LX6523 HIGH PERFORMANCE CCFL CONTROLLER

The LX6523 is a high perform ance CCFL controller optimized for LCD-TV and o ther m ulti-lamp LCD d isplay systems. It particularly provides a cost competitive so lution for o ff-PFC inverter applications. The con troller prov ides a pair of push-pull PWM driv e sig nals wit h adequate cap acity to d rive a p ush-pull, half b ridge, or f ull bri dge C CFL i.

Features

• Push-Pull Output to Provide Low Cost Solution for Multiple Topology Configuration
• 0.6A Peak Source and Sink Drive Current
• 6V to 27V Power Rail operation (36V Absolute Maximum)
• On Chip Regulator with Under Voltage Lock Out Protection
• Soft Start Control
• Programmable Strike Time, Fault Time, Strike Frequency, and Burst Dimming Frequency
• Burst Dimming Brightness Control
• Provide Optimized Solution for Off PFC Inverter Applications APPLICATIONS ƒ LCD-TV ƒ Multi-Lamp LCD Monitors ƒ CCFL, EEFL, FFL Backlight Systems DESCRIPTION The LX6523 is a high perform ance CCFL controller optimi.