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Número de pieza | FAN7317 | |
Descripción | LCD Backlight Inverter Drive IC | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FAN7317 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
No Preview Available ! FAN7317
LCD Backlight Inverter Drive IC
June 2011
Features
High-Efficiency Single-Stage Power Conversion
Wide Input Voltage Range: 6V to 24V
Backlight Lamp Ballast and Soft Dimming
Minimal Required External Components
Precision Voltage Reference Trimmed to 2%
ZVS Full-Bridge Topology
Soft-Start
PWM Control at Fixed Frequency
Burst Dimming Function
Programmable Striking Frequency
Open-Lamp Protection
Open-Lamp Regulation
Arc Protection
Short-Lamp Protection
CMP-High Protection
High-FB Protection
Thermal Shutdown
20-Pin SOIC
Applications
LCD TV
LCD Monitor
Description
The FAN7317 is a LCD backlight inverter drive IC that
controls P-N full-bridge topology by using the new
proprietary phase-shift method.
The FAN7317 provides a low-cost solution and reduces
external components by integrating full wave rectifiers for
open-lamp protection and regulation. The operating
voltage range of the FAN7317 is wide, so an external
regulator isn’t necessary to supply the voltage to the IC.
The FAN7317 provides various protections, such as
open-lamp regulation, open-lamp protection, arc
protection, short-lamp protection, CMP-high protection,
and FB-high protection, to increase the system reliability.
The FAN7317 provides burst dimming function and
analog dimming is possible, in a narrow range, by adding
some external components.
The FAN7317 is available in a 20-SOIC package.
Ordering Information
Part Number
Package
Operating Temperature
FAN7317M
FAN7317MX
20-SOIC
20-SOIC
-25 to +85°C
-25 to +85°C
All packages are lead free per JEDEC: J-STD-020B standard.
Packing Method
RAIL
TAPE & REEL
© 2007 Fairchild Semiconductor Corporation
FAN7317 • 1.0.3
www.fairchildsemi.com
1 page Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In
addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
Parameter
Min.
Max.
Unit
VIN IC Supply Voltage
6 24 V
TA Operating Temperature Range
-25 +85 °C
TJ Operating Junction Temperature
+150
°C
TSTG
θJA
Storage Temperature Range
Thermal Resistance Junction-Air(1,2)
-65 +150 °C
90 °C/W
PD Power Dissipation
1.4 W
Notes:
1. Thermal resistance test board. Size: 76.2mm x 114.3mm x 1.6mm (1S0P); JEDEC standard: JESD51-2, JESD51-3.
2. Assume no ambient airflow.
Pin Breakdown Voltage
Pin #
1
2
3
4
5
6
7
8
9
10
Name
REF
BDIM
BCT
OLP1
OLR1
OLP2
OLR2
GND
OUTB
OUTA
Value
7
7
7
±7
±7
±7
±7
7
7
24
Unit
V
Pin #
11
12
13
14
15
16
17
18
19
20
Name
OUTC
OUTD
VIN
OLR3
OLP3
OLR4
OLP4
ENA
CMP
CT
Value
24
7
24
±7
±7
±7
±7
7
7
7
Unit
V
© 2007 Fairchild Semiconductor Corporation
FAN7317 • 1.0.3
5
www.fairchildsemi.com
5 Page Typical Performance Characteristics (Continued)
Figure 15. CT High Voltage vs. Temp.
Figure 16. CT Low Voltage vs. Temp.
Figure 17. Burst Dimming Frequency vs. Temp.
Figure 18. BCT Discharge Current vs. Temp.
Figure 19. BCT High Voltage vs. Temp.
Figure 20. BCT Low Voltage vs. Temp.
© 2007 Fairchild Semiconductor Corporation
FAN7317 • 1.0.3
11
www.fairchildsemi.com
11 Page |
Páginas | Total 23 Páginas | |
PDF Descargar | [ Datasheet FAN7317.PDF ] |
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