FAN7311 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN7311 Datasheet PDF : 3 Pages
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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 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.
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.
Protected by U.S. Patent: 5,652,479; 7,158,390.
© 2006 Fairchild Semiconductor Corporation
FAN7311 Rev. 1.0.7
www.fairchildsemi.com
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