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Fairchild Semiconductor - LCD Backlight Inverter Drive IC

Numéro de référence FAN7311B
Description LCD Backlight Inverter Drive IC
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FAN7311B fiche technique
FAN7311B
LCD Backlight Inverter Drive IC
January 2007
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 SOIC
Description
The FAN7311B 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. The FAN7311B uses a new patent-pending phase-
shift control.
20-SOIC
Applications
„ LCD TV
„ LCD Monitor
www.DataSheet4U.com
Ordering Information
Part Number
FAN7311BM
FAN7311BMX
Package
20-SOIC
20-SOIC
Pb-Free
Yes
Yes
Operating Temperature Range
-25°C to 85°C
Packing Method
Rail
Tape & Reel
Protected by U.S. Patent: 5,652,479; 7,158,390.
© 2007 Fairchild Semiconductor Corporation
FAN7311B Rev. 1.0.0
www.fairchildsemi.com

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