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Número de pieza | FAN7313 | |
Descripción | LCD Backlight Inverter Drive IC | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FAN7313 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
No Preview Available ! FAN7313
LCD Backlight Inverter Drive IC
September 2006
Features
High-Efficiency Single-Stage Power Conversion
Wide Input Voltage Range: 4.5V to 25.5V
Backlight Lamp Ballast and Soft Dimming
Reduces Required External Components
www.DataSheet4U.comPrecision Voltage Reference Trimmed to 2%
Push-Pull Topology
Soft-Start Capability
PWM Control at Fixed Frequency
Analog and Burst Dimming Functions
Open-Lamp Protection
Open-Lamp Regulation
Over-Voltage Protection
Short-Circuit Protection
20-Pin SOIC
Applications
LCD TV
LCD Monitor
Description
FAN7313 provides all the control functions for a series
parallel resonant converter as well as a pulse width mod-
ulation (PWM) controller to develop a supply voltage.
Typical operating frequency range is between 30kHz and
250kHz, depending on the cold cathode fluorescent
lamp (CCFL) and the transformer’s characteristics.
20-SOIC
Ordering Information
Part Number
FAN7313M
FAN7313MX
Package
20-SOIC
20-SOIC
Pb-Free
Yes
Yes
Operating Temperature Range
-25°C ~ 85°C
Packing Method
Rail
Tape & Reel
© 2006 Fairchild Semiconductor Corporation
FAN7313 Rev. 1.0.0
www.fairchildsemi.com
1 page Electrical Characteristics
For typical values, TA=25°C and VIN=18V. For min./max. values, TA is the operating ambient temperature range with
-25°C ≤ TA ≤ 85°C and 4.5V ≤ VIN ≤ 18V, unless otherwise specified. Specifications to -25°C ~ 85°C are guaranteed by
design based on final characterization results.
Symbol
Characteristics
Test Condition
Min. Typ. Max. Unit
REFERENCE SECTION
V6 6V Regulation Voltage
V6line 6V Line Regulation
V6load 6V Load Regulation
OSCILLATOR SECTION (MAIN)
www.DataSheet4U.com fosc
Vcth
Vctl
fstr
Oscillation Frequency(4)
CT High-Voltage(3)
CT Low-Voltage(3)
Striking Frequency(4)
Tstoff Strike-Off Delay Time
Vfbth FB Threshold Voltage
OSCILLATOR SECTION (BURST)
foscb Oscillation Frequency
Vbcth BCT/FT High-Voltage
Vbctl BCT/FT Low-Voltage
Vbctft BCT/FT Fault-Voltage
ERROR AMPLIFIER SECTION
Gm Error Amplifier Transconductance(3)
AV Error Amplifier Open-Loop Gain(3)
V2p2 2.2V Regulation Voltage
Iss
lsin
lsur
Gmolr
Soft-Start Current
CMP Sink Current
CMP Source Current
OLR Transconductance(3)
Iolr Open-Lamp Regulation Current
UNDER-VOLTAGE LOCK OUT SECTION
Vth
Vthhys
Ist
Iop
Isb
Start Threshold Voltage
Start Threshold Voltage Hysterisis
Start-up Current
Operating Supply Current
Stand-by Current
0<I6<10mA
5.76 6.00 6.24
0 0.1
0 0.1
V
V
V
TA=25°C, RT=27kΩ
RT=27kΩ
TA=25°C, RT=27kΩ
RT=27kΩ
ADIM=1
97.5
96
125.7
124
0.35
100.0
100
2.0
0.5
130
130
4
0.45
103.7
104
135.6
136
0.55
KHz
KHz
V
V
kHz
KHz
ms
V
TA=25°C, BCT/FT=10nF, RT=27kΩ 301.6 318 332.5 Hz
BCT/FT=10nF, RT=27kΩ
296 318 340 Hz
BCT/FT=10nF, RT=27kΩ
1.9 2.0 2.1 V
BCT/FT=10nF, RT=27kΩ
0.4 0.5 0.6 V
3.5 4.0 4.5 V
ADIM=1~2.2V
TA=25°C, ADIM > 2.2V
ADIM > 2.2V
CMP=2V, FB < 0.45*ADIM
CMP=1V, ADIM < FB
CMP=1V, 0.45*ADIM < FB < ADIM
Striking, OLR=2.5V
Normal, OLR=2.5V
100
2.119
2.086
-3.2
44
-67
300
60
60
360
59
2.150
2.150
-1.7
73
50
719
190
260
600
2.195
2.215
-1.2
100
-33
1300
300
400
µmho
dB
V
V
µA
µA
µA
µmho
µA
µA
VIN=Vth-0.2
Not switching
ENA=0
3.9
0.20
20
0.5
60
4.2
0.45
55
1.5
100
4.5
0.60
120
2.5
150
V
V
µA
mA
µA
Notes:
3. These parameters, although guranteed, are not 100% tesed in production.
4. These parameters, although guranteed, are tested in only EDS test.
© 2006 Fairchild Semiconductor Corporation
FAN7313 Rev. 1.0.0
5
www.fairchildsemi.com
5 Page TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an
exhaustive list of all such trademarks.
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DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS
HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE
APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER
ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S
WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems 2. A critical component in any component of a life support,
which, (a) are intended for surgical implant into the body or
device, or system whose failure to perform can be
(b) support or sustain life, and (c) whose failure to perform
reasonably expected to cause the failure of the life
when properly used in accordance with instructions for use
support device or system, or to affect its safety or
provided in the labeling, can be reasonably expected to
effectiveness.
result in a significant injury of the user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
© 2006 Fairchild Semiconductor Corporation
FAN7313 Rev. 1.0.0
Definition
This datasheet contains the design specifications for product
development. Specifications may change in any manner without
notice.
This datasheet contains preliminary data; supplementary data will
be published at a later date. Fairchild Semiconductor reserves the
right to make changes at any time without notice to improve design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at any time
without notice to improve design.
This datasheet contains specifications on a product that has been
discontinued by Fairchild Semiconductor. The datasheet is printed
for reference information only.
Rev. I20
www.fairchildsemi.com
11
11 Page |
Páginas | Total 11 Páginas | |
PDF Descargar | [ Datasheet FAN7313.PDF ] |
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