www.fairchildsemi.com fsc lcd display solution lighting product line power conversion
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www.fairchildsemi.com
FSC LCD Display Solution
Lighting Product LinePower Conversion
2
Market Definition
1. LCD Monitor
2. LCD TV
3. Note PC
4. Portable display
FSC Business Area
CCFL Backlight Inverter IC
LCD Panel Bias PM IC
3
CCFL Backlight Inverter IC
4
FSC Product Line - up
Vcc (V) DimmingStriking
frequencyOLR
(=OVP)OLP Vout(Max) Iout(Max)
FAN7546/7A Buck-royer 6 ~ 30 Analog, Burst X O O Vcc 0.2A S
FAN7548 2ch, Buck-royer 9 ~ 30 Analog, Burst X O O 13.5V 0.2A S
FAN7314 P-N half-bridge 5 ~ 25.5 Analog, Burst O O O 8.5V 0.2A S
FAN7313 N-N half-bridge 4.5 ~ 18 Analog, Burst O O O 8.0V 0.5A D (P04 CY05)
FAN7310 P-N full-bridge 5 ~ 24 Analog, Burst X O O 8.5V 0.2A S
FAN7311P-N full-bridge
+ Striking frequency5 ~ 25.5 Analog, Burst O O O 8.5V 0.2A S
FAN7315 High burst dimming ratio (100:1) 7 ~ 20 Analog, Burst X O O 5.5V 0.2A S
Status
Buck - Royer
Half-bridge
Full-bridge
Topology Product DescriptionFeature
5
FAN7546A/7A
- The FAN7546A/7A is an buck-royer inverter driver IC for CCFL LCD backlight.
FeaturesFeatures
- Wide Range Operating Voltage 6-30V- Low Standby Current (Typ. 100uA)- Soft Start Function- Buck Operation Synchronized to Royer stage- Analog, Burst & Mixed Dimming Function- P Channel MOSFET Drive Capability- Various Protection (OLR , OLP) - Buck + Royer Topology- 14SOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors
Package
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
Vcc
Vz
-
+
OUT
Vref
Interna
lBias
3V OutputDriver
Vref
Vcc1
SDP
-
+
Vref
2uA
Vz
R
S
Q
Comparator1
3.7V
GND
-
+
2V
-
+
1VComparator
Comparator
Vms
Vref
50㏀
50㏀
Vds
Vds1
※
※
Full Lighting when Vds1=0V,Vds=3V※Bonding Option:
Dimming Control and Mode Selection Block
Analog PWM Mixed
UVLO5V
OSC
-
+RCt
Oscillator
40uA
Vcc
Cs
-
+
+
7V
Comparator Buffer
120uA
0.1V
1.3V
Comparator
-
+
Vf
CMP
Amplifier
OLP-
+
Comparator
Vref
6
FAN7548
- The FAN7548 is an dual channel buck-royer inverter driver IC for CCFL LCD backlight.
FeaturesFeatures- Wide Input Voltage Range : 9V to 30V- Reduces Number of Required External components- Precision Voltage Reference Trimmed to 2%- Buck Operation Synchronized to Royer stage- Soft Start-180º Phase-shift Burst Dimming- Analog and Burst Dimming Function- Various Protection (OLR , OLP) - Buck + Royer Topology- 20SSOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors
Package
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
ADIM
-
+
OLP2RS
Vb
Va
COMP63.7V
Vz
2uA
Q
VREF
Output Drive2
-
+ COMP5BCt
Oscillator
OUT2
Vb
-
+
OLP1RS
COMP1
3.7V
Vz
2uA
BufferError Amp.1
Q
-+
-
+
VREF
Vz
OLR1
VFB1
COMP1
OSC1
Output Drive1OUT1
COMP4
COMP3
Va
-
+
1.5V
COMP2
-
+Vcc
3Vref
InternalBias
ENA
Vz
5.4V
UVLO
Vref
BDIM
Min. 0.2V
Max. 1.3V
SOLR1 SBurst1
BufferError Amp.2
-+
-
+
OLR2
VFB2
COMP2
OSC2
COMP9
COMP8
Va
-
+
1.5V
COMP7
SOLR2SBurst2
To SOLR1
To SBurst1
SOLR2
Vcc
10uA
6.5V
CssCss
To SBurst2
GND
13.5V13.5V
-
++
-
++
VREFVREF
-
+
COMP10+-Max. of BCt
Sync. Sync.
Ramp Ramp
Vz
+ CssCss+
Css
7
FAN7310
- The FAN7310 is an P-N Full-bridge inverter driver IC for CCFL LCD backlight.
FeaturesFeatures
- Backlight Lamp Ballast & Soft Dimming- Wide Range Operating Voltage 5-24V- Low Standby Current - Soft Start Function- PWM Control at fixed frequency- Analog, Burst Dimming Function- Various Protection (OLR , OLP) - ZVS Full-bridge Topology (Patent pending)- 20SSOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors OZ960, BIT3195, BD9883 ~ 6
Package 20SSOP/SOP, 28SSOP
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
8
FAN7311/7311A
- The FAN7311 is an P-N Full-bridge inverter driver IC for CCFL LCD backlight.
FeaturesFeatures
- High Efficiency Single Stage Power Conversion- Programmable Striking Frequency- Wide Range Operating Voltage 5-25.5V- Low Standby Current (Typ. 200uA)- Soft Start Function- PWM Control at fixed frequency- Analog, Burst Dimming Function- Various Protection (OLR , OLP) - ZVS Full-bridge Topology- EA_Out 3.95V (Only FAN7311A)
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors OZ960, BIT3195, BD9883 ~ 6
Package 20SSOP/SOP, 28SSOP
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
BDIM
S_S
EA_OUT
OSCILLATORRT
Error Amp.
EA_IN
6uA
-
+
CT
max. 2V
min. 0.5V
ADIM
OUTB
OUTA
OUTC
OUTD
-
+ VIN
2.5VREF
ENA
UVLO 5VUVLO
REF
BCT
+
-
max. 2V
min. 0.5V
OLR
-
+
2V
-
+
1.4V
Solr
Q
QSET
CLR
S
R UVLO
OLP
-
+
PGND
Sburst
Voltage Reference
&Internal
Bias
VIN
1.4uA
UVLO
Output Driver
Output Control Logic
AGND
Solr 105uA
Sburst 85uA
Output Driver
+
+
- 2.5V
Va+
RT1MRT1
VOLP
VOLP+
2.5V 1.5V
OLP
S_S
1mA
StrikingControl
9
FAN7315
- The FAN7315 is an P-N Full-bridge inverter driver IC for CCFL LCD backlight.
FeaturesFeatures
- Wide Dimming Range Analog dimming (2.5:1), Burst dimming (>100:1)- Wide Input Voltage Range 7V to 20V- Precision Voltage Reference Trimmed to 2%- ZVS full-bridge topology- Soft Start- Analog, Burst Dimming Function- Open Lamp Protection, Open Lamp Regulation- Thermal Protection- 20SSOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors OZ960, BIT3195, BD9883 ~ 6
Package 20SSOP/SOP, 28SSOP
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
10
FAN7313
- The FAN7313 is N-N half bridge inverter driver which can support simplified design.
FeaturesFeatures
- Wide Input Voltage Range : 4.5V to 18V- Reduces Number of Required External components- Precision Voltage Reference Trimmed to 2%- ZVS Half-Bridge Topology- Soft Start- Analog and Burst Dimming Function- Programmable Striking Frequency- Various Protection (OLR , OLP, SCP)- 20SOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD Monitor / TV
Competitors BIT3195, BD9883
Package 20SSOP/SOP
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code D (P05CY06)Code D (P05CY06)
SS_CMP
Error Amp.
FBGND
-
+
-
+0.45*Va
SS_S
InputControlLogic
OSCRT
OutputControlLogic
Drivers
Protection
OLR
Timer
OUTH
VS
VB
OUTL
VREF
VOLR
max. 2V
min. 0.5V
-
+
UVLO 4.5VUVLO
InternalVoltage
ReferenceVINVIN
BDIMController
max. 2V
min. 0.5V
2V -
+
-
+
2V0.25V
50uA
73uA
3uA
VOLR
VSS_STK
VSS_STK
RT1->RT
Frequency sweep 5ms
3%
-+
2.25V
SCP
BDIM
2.25V -
+
2s
2V-
+
Disable @ Striking
ADIM
BCT/FT
FAULT
FAULT
Va
ENA
1.4V -
+
VREFDRV 8V
VREF
OLP4
OLP3
OLP2
OLP1
1V
-
+
1V
-
+
1V
-
+
1V
-
+
2V +
11
FAN7314
- The FAN7314 is P-N half-bridge and push-pull driver together by selection output pin
FeaturesFeatures- Wide Input Voltage Range : 5V to 25.5V- Reduces Number of Required External components- Precision Voltage Reference Trimmed to 2%- ZVS Half-Bridge/ Push-Pull Topology- Soft Start- Analog and Burst Dimming Function- Programmable Striking Frequency- Open Lamp Protection- Open Lamp Regulation- 20SOP
ApplicationsApplications
- LCD Monitor / TV, Note PC
TechnicalTechnicalAnalysisAnalysis
Key Application LCD TV
Competitors BIT3195, BD9884
Package 20SSOP/SOP
BLOCK DIAGRAMBLOCK DIAGRAM DescriptionDescription
Code SCode S
BDIM
S_S
EA_OUT
OSCILLATORRT
Error Amp.
EA_IN
6uA
-
+
CT
max. 2V
min. 0.5V
ADIM
OUTB
OUTA
OUTC
OUTD
-
+ VIN
2.5VREF
ENA
UVLO 5VUVLO
REF
BCT
+
-
max. 2V
min. 0.5V
OLR
-
+
2V
-
+
1.4V
Solr
Q
QSET
CLR
S
R UVLO
OLP
-
+
PGND
Sburst
Voltage Reference
&Internal
Bias
VIN
1.4uA
UVLO
Output Driver
Output Control Logic
AGND
Solr 105uA
Sburst 85uA
Output Driver
+
+
- 2.5V
Va+
RT1MRT1
VOLP
VOLP+
2.5V 1.5V
OLP
S_S
1mA
StrikingControl
12
1.Wide Input Voltage Range- Reduce external components to regulate IC supply voltage from main Vcc (1 Zener Diode, 1 BJT, 2 Register)
- Reduce external components to drive P-MOSFET (1 Zener Diode, 1 Capacitor, 1 Register)
2. Full line-up by Topology
FSC Backlight Inverter IC’s Strong Point
IC_Vcc
P-MOSFET GateIC _ Output for P-driving
Vcc
FAN7546/7A Buck-royer
FAN7548 2ch, Buck-royer
FAN7314 P-N half-bridge
FAN7313 N-N half-bridge
FAN7310 P-N full-bridge
FAN7311P-N full-bridge
+ Striking frequency
FAN7312 Multi-lamp driving capability
FAN7315 High burst dimming ratio (100:1)
Product Description
13
3. New Phase-Shift (FSC Patent)
CT
SYNC
OUT A
OUT B
OUT C
OUT D
EA_OUT
A & D
B & C
T
T1
Dead TimeDead TimeDead Time Dead Time Dead Time
FULL-BRIDGEOUTPUT
XNOR
Current ConditionFor all ZVS
FULL-BRIDGECurrent
@ not all ZVS
Bà A Dà C Aà BDà C
Cà DAà B Cà D Bà A
X OO XX OO X
-+
+ +
+++--- -
----
++
VIN
SA
SB
SC
SD
VIN
SA
SB
SC
SD
VIN
SA
SB
SC
SD
VIN
SA
SB
SC
SD
1. +VIN Power Phase 2. -VIN Power Phase
2. Freewheeling Phase 4. Freewheeling Phase
- Equivalent thermal status at both legs of Full-bridge Non ZVS Switching : A-B switch 2 times, C-D switch 2times per 2 period. (Competitor : A-B switch 4 times per 2 period)
Non ZVS
ZVS
14
Competitor Comparison Table
Company
Device FAN7546/7A FAN7314 FAN7313 FAN7311 OZ9RRATopology Buck-Royer P-N half-bridge N-N half-bridge P-N Full-bridge Push-pullOperating
Voltage range6 ~ 30 V 5 ~ 25.5 V 4.5 ~ 18 V 5 ~ 25.5V 4.5 ~ 5.5 V
Dimming Anallog, Burst Anallog, Burst Anallog, Burst Anallog, Burst BurstStriking frequency X O O O O
Sync X X XVout Vcc 8.5 V 8.0 V 8.5 V VccIout 0.2 A 0.2 A 0.5 A 0.2 A Vcc/Ron
Company Microsemi
Device BD9883 BD9884 MP1038 MP1027 LX1691 BIT3195 BIT3105Topology N-N half-bridge Dual P-N half-bridge N-N Full-bridge Monolithic Push-pull P-N Half-bridge P-N Full-bridgeOperating
Voltage range6 ~ 22 V 5 ~ 11 V 10 ~ 32 V 8 ~ 16 V 2.8 ~ 5.5 V 4.5 ~ 8 V 4.5 ~ 13.2 V
Dimming Burst Burst Analog, Burst Analog, Burst Analog, Burst Burst BurstStriking frequency O O O O O X O
Sync X O X X X X XVout 5.3V Vcc 5 V Vcc - 15(5) VIout Vcc/Ron Vcc/Ron - 0.1 A - 0.3(0.1) A
Rohm MPS Bitek
O2Micro
OZ960P-N Full-bridge
4.7 ~ 5.3 V
BurstOO
VccVcc/Ron
FSC
15
FSC Backlight Inverter Using Guide
- For 2 Lamp (FAN7546/7A, FAN7314) - For 4 Lamp (FAN7548, FAN7314, FAN7311, FAN7313) - For 6 Lamp (FAN7311)
16
2 - Lamp Circuit Guide
FAN7546/7 – Single channel Buck-RoyerFAN7546/7 – Single channel Buck-Royer
CCFL
R14
C13
C16
Q6 Q5
D10
L1M1
T1
7
8
2
3
5
1
6
GN
D
Vds
Vref
Vms
RC
t
OLP
SDP
OU
T
Vcc1
Vcc
OSC Css
CO
MP
Vfb
FAN7546/714SOP
Vin
ON/OFF
R6
R1
R8
R2
R9
R12
R13
R7
Q2
Q1
KSR2104
KSR1104
22K/56K220K
C1
100n
Vref
C21n
C34.7n
C4100n
C533n
C61u
330K
C82.2n
D1
D3
130K
68K
68K
22K
C10100n
BAV99D5
Q4
KST2222
47K
47uH
SS23
D2
CCFL
C12
T27
8
2
3
5
22pF
22pF
R15390560390
560R14R15
BAV99
BAV99
BAW56
Vref
C92.2n
R410K
R1110K
FAN7546 application circuit for 2 lamp
C14220uF
Dimming(0~5V)
39K/11KR3
R5
47K/33K
R10510
Dimming Condition : 0V(full lighting) ≤Vds1≤3V, Vds=3V
Analog
Burst
Mixed
Vms>2V
Vms<1V
0V≤Va≤3V
Vms=1.5V or open
Va=2.5V
1.2V≤Va≤3V 0V≤Vb≤3V
0V≤Vb≤2.5V
Vb=3V
10nC7
300n
R22390
R23390
BAW56
D
R24
36K
2SD2403 2SD2403
FDC658
C??10n
C110.22u
Q3BAW56
Buck-RoyerPMOS 1Schottky Diode 1BJT 2Inductor 1Control IC 1 ------------------------- Half or Full bridgeP-NMOS 1 or 2Capacitor 2Control IC 1
BOM
Don’t need a zener diodecompared with others topology
17
2 - Lamp Circuit Guide
FAN7314 – P-N Half-bridgeFAN7314 – P-N Half-bridge
REF
0
0
TX?
0
RT
C251u
OUTBR25
10k
0
R756k
0
0
0
RTR15
10k
R24
10k
0
R131k
C6 1u
R6 150k
0
C2110n
C1415n
C2810n
OLP2
0
0
C22220u
C3
4.7n
C4 4.7n
IC1 FAN7314
S_S
GND
REF
OLR
ENA
BDIM
OLP
VIN
OUTA
PGND
OUTB
RT1
CT
OUTC
ADIM
EA_IN
EA_OUT
OUTD
RT
BCT
R422k
0
C5 220p
C1 0.22u
D4
BAV70
OLP2
0
OUTA
12V
R161k
C91u
C7 10u
171k
0
SN
GN
SP
GP DP
DP
DN
DN
M1
FDS????
D1BAW56
D6BAV99
D7BAV99
FB
0
C2
1u
0
OLP
R99.1k
C271u
CN5
??
12345678910
C26 0.1u
OLP1
DIM(0~3.3V)
0
F1
FUSE
OLR
C202.2n
C192.2n
REF
0 0
0
C1115p
<Doc> 1.0
FAN7314 application circuit Burst Dimming 2 Lamps
Custom
0 1Wednesday, October 05, 2005
Title
Size Document Number Rev
Date: Sheet of
0
C3015n
0
R318k
0
R261k
0
R5 27k
C8 10u
0
REF
R2310k
FB
0
CN1CCFL
1
2
HOT
COLD
OLR
0
R14100k
0
R8
100k
D11BAW56
ON/OFF
C1015p
R1330k
FB
Q1KST2222
OLP1
0
R2210k
0
0CN2CCFL
1
2
HOT
COLD
P-NMOS 1Capacitor 2Control IC 1
BOMCan delete this
external IC - Vcc regulation circuit
IC_Vcc
Can delete this external P-MOSFET driving circuit
P-MOSFET GateIC _ Output for P-driving
Vcc
18
4 - Lamp Circuit Guide
FAN7548 – Dual channel Buck-RoyerFAN7548 – Dual channel Buck-Royer
C2610n
R5390
0
C3
47p
0
BAV99
L1
47uH
1 2
C2
47p
0
M2FDC658P
0
C201u
C162.2n
OLR1
R22
47k
C4
0.22u
0
0
C222.2n
R1010k
00
IC1FAN7548
BDIM
BCT
OLP1
VFB1
COMP1
OLR1
OSC1
ENA
OUT2
GND
CSS
OSC2
OLR2
COMP2
VFB2
OLP2
ADIM
V3
VCC
OUT1
0
C18
680p
V3
D7BAV99
C9
0.22u
0
Q42SD2403
R27
36k
R32
10k
C8
0.1u
C23
0.1u
L2
47uH
1 2
0
R26
510
CCFL
R28
27k
C14
0.1u
D2
SS23
C1710n
0
OLR1
C25
0.1u
DIM(0~5V)
R3020k
C7
220u
CCFL
R8
560
0
R15
510
R16
510
R29
18k
Q12SD2403
0
0
C1
47p
R24
10k
R4
560
0
0
0
C24
0.1u
0
0
R31
330k
OLR2
R1390
D1
SS23
0
0
R12
510
R6390 R33
10k
0
D9
Q5
Q2N3904
0
M1FDC658P
R3560
C152.2n
C212.2n
0
0
R1436k
R25
10k
0
C9
680p
V3
0
R13
330k
ENA
D1316V
12
R18
47k
CCFL
C10
0.1u
0
C19
1u
R1736k
C5
47p
BAV99
C13
1u
R7560
R2
390
0
R2118k
R9
36k
C11
10n
R11
10k
T1
Q22SD2403
Q6
Q2N3904
D11
D1N4148
0
T2
CCFL
R3410k
VCC(10.8~13.2V)
D1416V
12
R19
10k
OLR2
R2322k
V3
0
0
Q32SD2403
R20
10k
D8BAW56
D4BAV99
0
0
<Doc> 1.0
FAN7548 Application Circuit
Custom
1 1Tuesday, August 03, 2004
Title
Size Document Number Rev
Date: Sheet of
0
D5
C12
10n
D6BAW56
D12
D1N4148
Buck-RoyerPMOS 2Schottky Diode 2BJT 4Inductor 2Control IC 1 ------------------------- Half or Full bridgeP-NMOS 1 or 2Capacitor 4Control IC 1
BOM
Can delete this external IC - Vcc regulation circuit
IC_Vcc
19
4 - Lamp Circuit Guide
FAN7314 – P-N Half-BridgeFAN7314 – P-N Half-Bridge
OLP2
0
12V
0
0
0
C172.2n
0
R261k
OLR
0
0
0
OUTB
Q1KST2222
C1015p
C1215p
C3
4.7n
C7 10u
0
FB
R25
10k
00
TX?
C1515n
R181k
C251u
C1 0.22u
LTM170E5
SN
GN
SP
GP DP
DP
DN
DN
M1
FDS????
R318k
REFC1315p
CN3CCFL
1
2
HOT
COLD
0
R422k
D7BAV99
RT
0
C3015n
F1
FUSE
C192.2n
0
CN1CCFL
1
2
HOT
COLD
OLP4
0
R2010k
D11BAW56
0
REF
0
D6BAV99
0
D1BAW56
R8
100k
R13??
0
OUTA
<Doc> 1.0
FAN7314 application circuit Burst Dimming 4 Lamps
Custom
0 1Wednesday, October 05, 2005
Title
Size Document Number Rev
Date: Sheet of
REF
R11??
FB
R2210k
R24
10k
C182.2n
R1330k
C2810n
C2110n
C8 10u
0
R5 27k
0
171k
TX?
R15
10kR99.1k
OLP3
IC1 FAN7314
S_S
GND
REF
OLR
ENA
BDIM
OLP
VIN
OUTA
PGND
OUTB
RT1
CT
OUTC
ADIM
EA_IN
EA_OUT
OUTD
RT
BCT
0
C1415n
0
C5 220p
C271u
C202.2n
R161k
R14100k
0
FB
0
C22220u
D4
BAV70
C26 0.1u
OLP
R191k
0
OLR
0
C4 4.7n
OLP1
R756k
0
CN4CCFL
1
2
HOT
COLD
0
OLP3
C6 1u0
C91u
0
0
FB
0
OLP2
0
0
0
C2915n
OLR
FB
0
RT
0
CN5
??
12345678910
R121k
0
OLP1
D3
BAV70
0
C2
1u
DIM(0~3.3V)
0
R6 150k
R2110k
ON/OFF
C1115p
D8BAV99
OLP4
0
D9BAV99
CN2CCFL
1
2
HOT
COLD
R2310k
D10BAW56
P-NMOS 1Capacitor 4Control IC 1
BOM
Can delete this external IC - Vcc regulation circuit
IC_Vcc
Can delete this external P-MOSFET driving circuit
P-MOSFET GateIC _ Output for P-driving
Vcc
20
4 - Lamp Circuit Guide
FAN7314 – Push-PullFAN7314 – Push-Pull
T itle
Size Document Number Rev
Date: Sheet of
<Doc> 1.0
FAN7314 Push-Pull application circuit Burst Dim m ing 4 Lam ps
Custom
0 1T hursday, March 30, 2006
0
R 1 71 k
D 3B A V 7 0
R 1 61 k
0
0
C 1 11 5 p
0
C 3 01 0 n
0 0
C 2 1 u
0
0
C 2 11 0 n
R 6 8 2 k
0
C 2 51 u
0
0
0
0
C 2 81 0 n
D 9
B A V 9 9
D 7
B A V 9 9
D 6
B A V 9 9
0
0
0
R 99 . 1 k
0
H O T1
C O L D2
C N 1C C F L
H O T1
C O L D2
C N 2C C F L
H O T1
C O L D2
C N 4C C F L
H O T1
C O L D2
C N 3C C F L
C 2 22 2 0 u
2 5 V o r 3 5 V
OLR
C 2 6 0 . 1 u
0
RT
OLP
D 1 0B A W 5 6
REF
R 1 41 0 0 k
D 1B A W 5 6
TX1
RT
FB
R 13 3 0 k
TX2
L T M 190EX
C 6
1 u
0
OLP2OLP1
OLP3 OLP4
R 1 21 k
R 1 11 k
R 2 61 k
REF
R 1 31 k
0 0
0 0
R 1 5
1 0 k
C 91 u
F 1
F U S E
1234567891 0
C N 5
1 2 5 0 5 W R -1 0
R 2 4
1 0 k
C 1 01 5 p
C 1 41 0 n
C 1 21 5 p
C 2 91 0 n
IC1 FAN7 3 1 4
S _ S
G N D
R E F
O L R
E N A
B D I M
O L P
V I N
O U TA
P G N D
O U TB
R T1
C T
O U TC
A D I M
E A _ I N
E A _ O U T
O U TD
R T
B C T
R 2 7
2 4
R 2 21 0 k
R 2 31 0 k
C 1 92 . 2 n
C 2 02 . 2 n
0
R 2 8
2 4
0
0
0
R 2 11 0 k
R 2 01 0 k
C 1 82 . 2 n
C 1 72 . 2 n
0
0
R 7 0
R 8
1 0 0 k
Q 1K S T2 2 2 2
0
C 1 51 0 n
C 2 71 u
0
0
R 1 81 k
0
0 FB
0
C 1 31 5 p
0
O L P 3 O L P 4
SN
GN
SN
GN DN
DN
DN
DN
M 1
S I 9 9 4 5 A E Y
D 1 1B A W 5 6
R 1 91 k
O L P 1
OLR
ON/OFF
13V
DIM (0~3.3V )
C 4
4 . 7 n
C 5 2 2 0 p
R 5 2 7 k
O L P 20
R 25 6 k
R 31 8 k
R 42 2 k
0
0
C 3
4 . 7 n
D 4B A V 7 0
C 1 0 . 2 2 u
D 8
B A V 9 9
0
0
OLR
FB
Can delete this external IC - Vcc regulation circuit
IC_VccDual NMOS 1Control IC 1
BOM
21
4 - Lamp Circuit Guide
FAN7311 – P-N Full- BridgeFAN7311 – P-N Full- Bridge
OLP4
0
C91u
0
0
OUTB
C15??
0
R161k
R2010k
OLR
0
R14100k
C4 4.7n
0
D8BAV99
C1 0.22u
D4
BAV70
OLP4
CN5
??
12345678910
0
D1BAW56
0
C182.2n
C2110n
0
R5 27k
R27
10k
C7 10u
FB
D6BAV99
C1315p
C14??
DIM(0~3.3V)
0
R8
100k
RT
RT
SN
GN
SP
GP DP
DP
DN
DN
M2
FDS8958A
TX?
R12??
0
R2210k
R422k
OLR
0
D7BAV99
FB
TX?
C30??
R181k
0
0
C29??
0
OLP
C1115p
SN
GN
SP
GP DP
DP
DN
DN
M1
FDS8958A
C2
1u
C172.2n
0
FB
OLR
0
Q1KST2222
R26??
0
C202.2n
C2810n
OLP1
R2110k
R11??
0
171k
0
D10BAW56
REF
R1330k
C1215p
REF
OUTD
R6 150k
0
C5 220p
OLP2
0
C22220u
C3
4.7n
0
0
C192.2n
0
C1015p
OLP3
FB
0
OUTC
CN4CCFL
1
2
HOT
COLD
OUTA
CN2CCFL
1
2
HOT
COLD
D11BAW56
R13??
0
0
R191k
0
R318k
OLP3
0
0
0
C271u
C6 1u
OLP1
REF
12V
R756k
0
R2310k
<Doc> 1.0
FAN7311 application circuit Burst Dimming 4 Lamps
Custom
1 1Wednesday, October 05, 2005
Title
Size Document Number Rev
Date: Sheet of
0
CN1CCFL
1
2
HOT
COLD
R24
10k
OLP2
0
R99.1k
0
F1
FUSE
C26 0.1u
LTM170E5
C8 10u
0
0
R25
10k
IC1 FAN7311
S_S
GND
REF
OLR
ENA
BDIM
OLP
VIN
OUTA
PGND
OUTB
RT1
CT
OUTC
ADIM
EA_IN
EA_OUT
OUTD
RT
BCT0
0
CN3CCFL
1
2
HOT
COLD
D9BAV99
R15
10k
D3
BAV70
0
C251u
FB
ON/OFF
P-NMOS 2Capacitor 4Control IC 1
BOM
Can delete this external IC - Vcc regulation circuit
IC_Vcc
Can delete this external P-MOSFET driving circuit
P-MOSFET GateIC _ Output for P-driving
Vcc
22
4 - Lamp Circuit Guide
FAN7313 – N-N Half-BridgeFAN7313 – N-N Half-Bridge
OLP2
OLP4
0
C124.7n
F1
FUSE
ON/OFF
C21u
0
R61k
0
0
C1515p
D1
D1N4148
DIM(0~3.3V)
0
11k
R4??
R5??
R14??
R2100k
0
TX2
R161k
C1615p
CN2CCFL
1
2
HOT
COLDC915p
IC1
FAN
7313
FB BD
IM
AD
IM
OLP
2
SS
_CM
P
GN
D
OLP
1
BC
T
OLR R
T
OLP
4
OLP
3
OU
THSC
P
EN
A
OU
TL
VR
EF
VS
VB
VC
C
C7 10u
D2
BAV70
R956k
0
R1210K
SN1
GN1
DN1
DN1
GN2
SN2 DN2
DN2
M1
SI4330DY
0LTM170E5
R8100k
C815p
C31u
OLP3
R171k0
R7100k
OLR
R3100k
R1022k
CN3
??
12345678910
0
D4
BAV70
0
0
OLP3
012V
0
0
REF
TX1
R19
10k
R13
10k
OLP1
0
0
C54.7n
0
CN1CCFL
1
2
HOT
COLD
OLP4
R15??
0
OLP2
C201n
C1220u
<Doc> 1.0
FAN7313 application circuit Burst Dimming 4 Lamps
Custom
1 1Friday, October 07, 2005
Title
Size Document Number Rev
Date: Sheet of
0
C1410n
0 0
D3
BAV70
D5
BAV70
C131u
C10??
0
C6
0.1u
C18??
0
C19??
R18100k
0
0
R127k
0
0C1710n
R1118k
OLP1
C4 10u
CN4CCFL
1
2
HOT
COLD
CN5CCFL
1
2
HOT
COLD
C11??
0
0
OLR
N-NMOS 1Capacitor 4Control IC 1
BOMCan delete this external OLP detection circuitIC_OLP
REF OLP circuit
Can delete this external IC - Vcc regulation circuit
IC_Vcc
23
6 - Lamp Circuit Guide
FAN7311 – P-N Full-BridgeFAN7311 – P-N Full-Bridge
C 305p
D IM(0~3.3V) R 7
10k
0
0
TX1
0
FB
0
OLR
R T
0
F1
FU SE
0
R 23
10k
R 11
100k
12V
D 11
B AV 70
R 4
10k
OLP4
C 201k
R EF
0
0
C 61k
C 221u
OLP1
0
0
0
FB
0
OUTC C N 3C C FL
1
2
HOT
COLD
C 45p
0
0
R EF
FB
C 311k
SN
GN
SP
GP DP
DP
DN
DN
M4
FD S8958A
C N 7C C FL
1
2
HOT
COLD
R 12
10k
SN
GN
SP
GP DP
DP
DN
DN
M3
FD S8958A
0
C 345p
C 1510n
ON /OFF
D 5
B AV 70
R 556k
C 31u
R T
0
OUTD
TX4
0
OLP5
TX6
C 25 10u
R 16330k
OUTDD 9BAW 56
C 282.2n
OLP1
R 192.2n
C 810n
51k
C 352.2n
OLP6
0
C 10 1u
R EF
C 7 10u
0
0
R 22.2n
R 622k
C 135p
0
C 235p
D 4BAV99
R 9 27k
D 8BAW 56
0
OLP4
0
0
OUTB
D 13BAV99
D 3BAV99
<Doc> 1.0
FAN7311 application circuit 6 Lamps
Custom
1 1Wednesday, October 05, 2005
Title
Size Document Number Rev
Date: Sheet of
0
0
0
0
R 272.2n
R 1710k
C 362.2n
OUTB
C 1220u
OUTA
TX3
C N 2
??
12345678910
OLP2
0
21k
C 9 0.22u
OLP6
OLP2
0
0
0
OUTC
C 272.2n
OLR
00
61k
C 11 10u
C N 6C C FL
1
2
HOT
COLD
0
R 2210k
R 142.2n
FB
C 17
4.7n
D 2
B AV 70
C 29 10u
OUTA0
R 20
10k
0
IC1_1 FAN7311
S_S
GND
REF
OLR
ENA
BDIM
OLP
VIN
OUTA
PGND
OUTB
RT1
CT
OUTC
ADIM
EA_IN
EA_OUT
OUTD
RT
BCT
0
0
SN
GN
SP
GP DP
DP
DN
DN
M2
FD S8958A
0
0
0
0Q1KST2222
C 161k
FB
0
R 2610k
C 332.2n
OLP5
0
D 7BAW 56
TX2
SN
GN
SP
GP DP
DP
DN
DN
M1
FD S8958A
31k
0
R 2510k
OLR
0
0
0
OLP
C 14 220p
C 195p
R 102.2n
0
0
R 818k
C 5 0.1u
FB
0
R 242.2n
0
D 6BAV99
0
D 1BAV99
0
C 12
1u
R 15100k
R 139.1k
C N 4C C FL
1
2
HOT
COLD
C N 1C C FL
1
2
HOT
COLD
C 261u
C 21u
C 18 4.7n
0
R 1810k
R 2110k
0
C N 5C C FL
1
2
HOT
COLD
FB
C 211u
OLP3
0
R 3
10k
11k
41k
0
C 322.2n
C 241k
C 371k
TX5
OLP3
OLR
D 10BAV99
R 1 150k
0
D 12BAW 56
0
P-NMOS 4Capacitor 6Control IC 1
BOM
Can delete this external IC - Vcc regulation circuit
IC_Vcc
Can delete this external P-MOSFET driving circuit
P-MOSFET GateIC _ Output for P-driving
Vcc
24
24SOP
2006 20082004
Roadmap Update (Backlight)
P-N Full Bridge(FAN7311)
P-N Full Bridge(FAN7311)
N-N full Bridge(FAN7317)
N-N full Bridge(FAN7317)
Power LED Driver(FAN734X)
Power LED Driver(FAN734X)
Power LED Driver +I2C(FAN734X)
Power LED Driver +I2C(FAN734X)
Push-Pull/
N-N Half Bridge + FET
Push-Pull/
N-N Half Bridge + FET
Notebook(12~14”)
LCD Monitor(17~19”)
LCD TV(21”~)
P-N Full Bridge Integrated FET
P-N Full Bridge Integrated FET
CS80(30V)
20 SSOP/SOP/DIP
CS80(30V)/HDG4D 60V BiCMOS/HDG4D
16 SOP 16 SOP
28SSOP
CCFL
EEFL
FFL
LED
Mar 27 CY0 6 rev1.0
20SOP
Push-Pull/N-N/P-N Half Bridge
(FAN7313/7314)
Push-Pull/N-N/P-N Half Bridge
(FAN7313/7314)
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