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This literature is subject to all applicable copyright laws and is not for resale in any manner.FAN7317B LCD Backlight Inverter Drive IC April 2011 FAN7317B LCD Backlight Inverter Drive IC Features Description The FAN7317B is a LCD backlight inverter drive IC that High-Efficiency, Single-Stage Power Conversion controls P-N full-bridge topology using a new propriety Wide Input Voltage Range: 6V to 28V phase-shift method. Backlight Lamp Ballast and Soft Dimming The FAN7317B provides a low-cost solution and reduces Minimal Required External Components external components by integrating full wave rectifiers for Precision Voltage Reference Trimmed to 2% open-lamp protection and regulation (patent pending). ZVS Full-Bridge Topology The operating voltage range of the FAN7317B is wide, so an external regulator isnt necessary to supply the voltage Soft-Start to the IC. PWM Control at Fixed Frequency Burst Dimming Function The FAN7317B provides protections such as open-lamp regulation, open-lamp protection, and short-lamp Dynamic Contrast Ratio Function protection to increase the system reliability. The Programmable Striking Frequency FAN7317B provides a burst-dimming function and analog Open-Lamp Protection (OLP) dimming is possible, in a narrow range, by adding Open-Lamp Regulation (OLR) external components. Short-Lamp Protection (SLP) The FAN7317B is available in a 20-pin SOIC package. Thermal Shutdown (TSD) 20-Pin SOIC Applications LCD TV LCD Monitor Ordering Information Operating Packing Part Number Package Temperature Method FAN7317BM Rail -25 to +85C 20-Pin Small Outline Integrated Circuit (SOIC) FAN7317BMX Tape and Reel 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7317B 1.0.2