1. FSC LCD Display Solution Lighting Product Line Power Conversion

2. Market Definition LCD Monitor LCD TV Note PC Portable display
FSC Business Area
 CCFL Backlight Inverter IC
 LCD Panel Bias PM IC

3. CCFL Backlight Inverter IC

4. FSC Product Line - up

5. FAN7546A/7A BLOCK DIAGRAM Description Features Applications Technical
Code S
BLOCK DIAGRAM
Description
The FAN7546A/7A is an buck-royer inverter driver
IC for CCFL LCD backlight.
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
Package

6. FAN7548 BLOCK DIAGRAM Description Features Applications Technical
Code S
BLOCK DIAGRAM
Description
The FAN7548 is an dual channel buck-royer
inverter driver IC for CCFL LCD backlight.
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
Package

7. FAN7310 BLOCK DIAGRAM Description Features Applications Technical
Code S
BLOCK DIAGRAM
Description
The FAN7310 is an P-N Full-bridge inverter driver
IC for CCFL LCD backlight.
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
OZ960, BIT3195, BD9883 ~ 6
Package
20SSOP/SOP, 28SSOP

8. FAN7311/7311A BLOCK DIAGRAM Description Features Applications
Code S
BLOCK DIAGRAM
Description
The FAN7311 is an P-N Full-bridge inverter driver
IC for CCFL LCD backlight.
Features
- High Efficiency Single Stage Power Conversion
- Programmable Striking Frequency
- Wide Range Operating Voltage V
- 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)
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
OZ960, BIT3195, BD9883 ~ 6
Package
20SSOP/SOP, 28SSOP

9. FAN7315 BLOCK DIAGRAM Description Features Applications Technical
Code S
BLOCK DIAGRAM
Description
The FAN7315 is an P-N Full-bridge inverter driver
IC for CCFL LCD backlight.
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
OZ960, BIT3195, BD9883 ~ 6
Package
20SSOP/SOP, 28SSOP

10. FAN7313 BLOCK DIAGRAM Description Features Applications Technical
Code D (P05CY06)
BLOCK DIAGRAM
Description
The FAN7313 is N-N half bridge inverter driver
which can support simplified design.
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD Monitor / TV
Technical
Analysis
Competitors
BIT3195, BD9883
Package
20SSOP/SOP

11. FAN7314 BLOCK DIAGRAM Description Features Applications Technical
Code S
BLOCK DIAGRAM
Description
The FAN7314 is P-N half-bridge and push-pull
driver together by selection output pin
Features
- 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
Applications
- LCD Monitor / TV, Note PC
Key Application
LCD TV
Technical
Analysis
Competitors
BIT3195, BD9884
Package
20SSOP/SOP

12. FSC Backlight Inverter IC’s Strong Point
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) Full line-up by Topology

13. 3. New Phase-Shift (FSC Patent)
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

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-Royer BOM
PMOS 1
Schottky Diode 1
BJT 2
Inductor 1
Control IC 1
Half or Full bridge
P-NMOS or 2
Capacitor 2
Control IC
BOM
Don’t need a zener diode
compared with others topology

17. 2 - Lamp Circuit Guide FAN7314 – P-N Half-bridge BOM
Can delete this external P-MOSFET driving circuit
BOM
Can delete this external IC - Vcc regulation circuit
P-NMOS 1
Capacitor 2
Control IC 1

18. Can delete this external IC - Vcc regulation circuit
4 - Lamp Circuit Guide
FAN7548 – Dual channel Buck-Royer
BOM
Buck-Royer
PMOS 2
Schottky Diode 2
BJT 4
Inductor 2
Control IC 1
Half or Full bridge
P-NMOS or 2
Capacitor 4
Control IC 1
Can delete this external IC - Vcc regulation circuit

19. 4 - Lamp Circuit Guide FAN7314 – P-N Half-Bridge BOM
P-NMOS 1
Capacitor 4
Control IC 1
Can delete this external P-MOSFET driving circuit
Can delete this external IC - Vcc regulation circuit

20. Can delete this external IC - Vcc regulation circuit
4 - Lamp Circuit Guide
FAN7314 – Push-Pull
Can delete this external IC - Vcc regulation circuit
Dual NMOS 1
Control IC 1
BOM

21. 4 - Lamp Circuit Guide FAN7311 – P-N Full- Bridge BOM
P-NMOS 2
Capacitor 4
Control IC 1
Can delete this external P-MOSFET driving circuit
Can delete this external IC - Vcc regulation circuit

22. Can delete this external IC - Vcc regulation circuit
4 - Lamp Circuit Guide
FAN7313 – N-N Half-Bridge
N-NMOS 1
Capacitor 4
Control IC 1
BOM
Can delete this external
OLP detection circuit
Can delete this external IC - Vcc regulation circuit

23. 6 - Lamp Circuit Guide FAN7311 – P-N Full-Bridge BOM
P-NMOS 4
Capacitor 6
Control IC 1
Can delete this external IC - Vcc regulation circuit
Can delete this external P-MOSFET driving circuit

24. P-N Full Bridge Integrated FET
Roadmap Update (Backlight)
Mar 27 CY0 6 rev1.0
2004
2006
2008
LED
Power LED Driver
(FAN734X)
Power LED Driver +I2C
(FAN734X)
16 SOP
16 SOP
LCD TV
(21”~)
CCFL
EEFL
FFL
N-N full Bridge
(FAN7317)
24SOP
Push-Pull/
N-N/P-N Half Bridge
(FAN7313/7314)
LCD Monitor
(17~19”)
P-N Full Bridge
(FAN7311)
Push-Pull/
N-N Half Bridge + FET
20 SSOP/SOP/DIP
20SOP
P-N Full Bridge Integrated FET
Notebook
(12~14”)
28SSOP
CS80(30V)
CS80(30V)/HDG4D
60V BiCMOS/HDG4D