FAN7317 Backlight Inverter Drive Features High-Efficien

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FAN7317 Backlight Inverter Drive Features High-Efficien

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FAN7317 Backlight Inverter Drive
FAN7317
Backlight Inverter Drive
Features
High-Efficiency Single-Stage Power Conversion Wide Input Voltage Range: Backlight Lamp Ballast Soft Dimming Minimal Required External Components Precision Voltage Reference Trimmed Full-Bridge Topology Soft-Start Control Fixed Frequency Burst Dimming Function Programmable Striking Frequency Open-Lamp Protection Open-Lamp Regulation Protection Short-Lamp Protection CMP-High Protection High-FB Protection Thermal Shutdown 20-Pin SOIC
Description
FAN7317 backlight inverter drive that controls full-bridge topology using patented phase-shift method. FAN7317 provides low-cost solution reduces external components integrating full wave rectifiers open-lamp protection regulation (patent pending). operating voltage range FAN7317 wide, external regulator isn't necessary supply voltage FAN7317 provides various protections, such open-lamp regulation, open-lamp protection, protection, short-lamp protection, CMP-high protection, FB-high protection, increase system reliability. FAN7317 provides burst dimming function analog dimming possible, narrow range, adding some external components. FAN7317 available 20-SOIC package.
Applications
Monitor
Ordering Information
Part Number
FAN7317M FAN7317MX
Package
20-SOIC 20-SOIC
Operating Temperature
+85°C +85°C
Packing Method
RAIL TAPE REEL
packages lead free JEDEC: J-STD-020B standard. Protected under U.S. patent nos. 5,652,479 7,158,390.
2007 Fairchild Semiconductor Corporation FAN7317 1.0.2
www.fairchildsemi.com
FAN7317 Backlight Inverter Drive
Typical Application Circuit (LCD Backlight Inverter)
Application
22-Inch Monitor
Device
FAN7317
Input Voltage Range
13±10%
Number lamps
Features
High-Efficiency Single-Stage Power Conversion Full-Bridge Topology Reduces Required External Components Enhanced System Reliability through Protection Functions
OUTD OUTB
OLP1
BDIM
Figure Typical Application Circuit
Transformer Schematic Diagram
Figure Transformer Schematic Diagram
Core Bobbin
Core: EFD2126 Material: Bobbin: EFD2126
2007 Fairchild Semiconductor Corporation FAN7317 1.0.2 www.fairchildsemi.com
OUTA
OLR1
OLR2
OLP2
OUTC
OLR4
OLP3
OLR3
OLP4
ON/OFF BDIM(0~3.3V)
FAN7317 Backlight Inverter Drive
2007 Fairchild Semiconductor Corporation FAN7317 1.0.2
www.fairchildsemi.com

FAN7317 Backlight Inverter Drive Features High-Efficien

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