FAN7311G

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 1 20-DIP 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 M...