FAN7311 — LCD Backlight Inverter Drive IC
December 2007
FAN7311 LCD Backlight Inverter Drive IC
Features
High-Effic...
FAN7311 — LCD Backlight Inverter Drive IC
December 2007
FAN7311 LCD Backlight Inverter Drive IC
Features
High-Efficiency Single-Stage Power Conversion Wide Input
Voltage Range: 5V to 25.5V Backlight Lamp Ballast and Soft Dimming Reduced Number of Required External Components Precision
Voltage Reference Trimmed to 2% ZVS Full-Bridge Topology Soft-Start Capability PWM Control at Fixed Frequency Analog and Burst Dimming Function Programmable Striking Frequency Open-Lamp Protection Open-Lamp Regulation 20-Pin SSOP/SOIC/DIP
Applications
LCD TV LCD Monitor
Description
The FAN7311 provides all the co ntrol fu nctions for a series p arallel resonant co nverter as well as a pu lse width m odulation (PWM) controller t o d evelop a s upply
voltage. T ypical op erating fre quency ran ge is bet ween 30kHz and 250kHz, depending on the cold cathode fluorescent lamp (CCFL) and the transformer's characteristics. FAN7311 uses a new proprietary phase-shift control.
20-SSOP
20-SOIC
1
20-DIP
1
1
Ordering Information
Part Number FAN7311G FAN7311GX FAN7311M FAN7311MX FAN7311N
Package 20-SSOP 20-SSOP 20-SOIC 20-SOIC 20-DIP
Operating Temperature Range -25°C to 85°C
Packing Method Rail
Tape & Reel Rail
Tape & Reel Rail
All packages are lead free per JEDEC: J-STD-020B standard.
© 2006 Fairchild Semiconductor Corporation FAN7311 Rev. 1.0.7
www.fairchildsemi.com
FAN7311 — LCD Backlight Inverter Drive IC
Typical Application Circuits
Application 19-inch LCD ...