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FAN7318 PDF даташит
| Спецификация FAN7318 изготовлена «Fairchild Semiconductor» и имеет функцию, называемую «LCD Backlight Inverter Drive IC». |
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Детали детали
| Номер произв | FAN7318 |
| Описание | LCD Backlight Inverter Drive IC |
| Производители | Fairchild Semiconductor |
| логотип |  |
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FAN7318
LCD Backlight Inverter Drive IC
March 2009
Features
High-Efficiency Single-Stage Power Conversion
Wide Input Voltage Range: 6V to 30V
Backlight Lamp Ballast and Soft Dimming
Minimal External Components Required
Precision Voltage Reference Trimmed to 2%
Half-Bridge Topology
Soft-Start
PWM Control at Fixed Frequency
Analog Dimming Function
Burst Dimming Function
Programmable Striking Frequency
Open-Lamp Protection
Open-Lamp Regulation
Short-Lamp Protection
CMP-High Protection
FB-High Protection
Thermal Shutdown
20-Pin SOIC
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LCD TV
LCD Monitor
Description
The FAN7318 is a LCD backlight inverter drive IC that
controls P-N half-bridge topology.
The FAN7318 provides a low-cost solution and reduces
external components by integrating proprietary wave
rectifiers for open-lamp protection and regulation. The
operating voltage range of the FAN7318 is wide, so an
external regulator isn’t necessary to supply the voltage to
the IC.
The FAN7318 provides various protections, such as
open-lamp regulation, open-lamp protection, short-Lamp
protection, CMP-high protection, and FB-high protection,
to increase the system reliability. The FAN7318 provides
burst dimming and analog dimming.
The FAN7318 is available in a 20-SOIC package.
Ordering Information
Part
Number
FAN7318M
FAN7318MX
Operating
Temperature
-25 to +85°C
Package
20-Lead, Small Outline Integrated Circuit (SOIC)
Eco
Status
RoHS
Packing
Method
Rail
Tape & Reel
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
Protected under U.S. patent nos. 5,652,479.
© 2009 Fairchild Semiconductor Corporation
FAN7318 • 1.0.0
www.fairchildsemi.com
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Typical Application Circuit (LCD Backlight Inverter)
Application
22-Inch LCD Monitor
Device
FAN7318
Input Voltage Range
15V±10%
Number of Lamps
4
1. Features
High-Efficiency Single-Stage Power Conversion
P-N Half-Bridge Topology
Reduces Required External Components
Enhanced System Reliability through Protection Functions
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Figure 63. Typical Application Circuit
© 2009 Fairchild Semiconductor Corporation
FAN7318 • 1.0.0
22
www.fairchildsemi.com
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© 2009 Fairchild Semiconductor Corporation
FAN7318 • 1.0.0
24
www.fairchildsemi.com
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