FAN7311_0712 FAIRCHILD | Alldatasheet
Document overview
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Technical content
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 control functions for a series parallel resonant converter as well as a pulse width modulation (PWM) controller to develop a supply voltage. Typical operating frequency range is between 30kHz and 250kHz, depending on the cold cathode fluo- rescent lamp (CCFL) and the transformer's characteris- tics. FAN7311 uses a new patented phase-shift control.
Ordering Information
All packages are lead free per JEDEC: J-STD-020B standard. Protected by U.S. Patent: 5,652,479; 7,158,390. 20-SSOP 20-SOIC 20-DIP Part Number Package Operating Temperature Range Packing Method FAN7311G 20-SSOP -25°C to 85°C Rail FAN7311GX 20-SSOP Tape & Reel FAN7311M 20-SOIC Rail FAN7311MX 20-SOIC Tape & Reel FAN7311N 20-DIP Rail
FAN7311 — LCD Backlight Inverter Drive IC © 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7311 Rev. 1.0.7 15