FAN7319M Fairchild Semiconductor, FAN7319M Datasheet - Page 2

• Manufacturer Part Number: FAN7319M
• Description: LCD Drivers Backlight Drive Control IC
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7319M

• Operating Supply Voltage: 10 V to 24 V
• Maximum Operating Temperature: + 85 C
• Package / Case: SOIC-20
• Attached Touch Screen: No
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2010 Fairchild Semiconductor Corporation
FAN7319 • 1.0.0
12505WR-5
Typical Full-Bridge Application Circuit (LCD Backlight Inverter)
OUTD
OUTC
OUTB
OUTA
CN2
1
2
3
4
5
LCD TV (LIPS Type)
R109
22R
R108
22R
R107
22R
R106
22R
Application
VIN(10~24V)
0
L1 = 700uH / L2 = 400uH
K=0.98
Puls e
Trans form er
Puls e
Trans form er
VIN
T 1
T 2
BDIM(External only)
ADIM(Positive)
D101
D201
D301
D401
SOT-23
BAV70
SOT-23
BAV70
SOT-23
BAV70
SOT-23
BAV70
ENA
PFC_OUT(380Vdc)
Figure 47. Typical Full-Bridge Application Circuit
R104
1k
R204
1k
R304
1k
R404
1k
R39
1k
R40
open
R105
12k
R205
12k
R305
12k
R405
12k
0
R101
68R
R201
68R
R301
68R
R401
68R
C102
1n
C202
1n
C302
1n
C402
1n
2.2u
10k
C16
1n
C24
R53
C51
100uF
450V
Q101
Q2N2222A
Q201
Q2N2222A
Q301
Q2N2222A
Q401
Q2N2222A
SOT-23
SOT-23
SOT-23
SOT-23
Input Voltage Range
R102
1.8R
R202
1.8R
R302
1.8R
R402
1.8R
R58
R57
100k
R44
33k
R38
10k
10k
R31
51k
C52
100uF
450V
R103
R203
R303
R403
12k
12k
12k
12k
C28
C25
1n
100n
0
SENSE
F1
FUSE
13±10%
C101
OPEN
C201
OPEN
C301
OPEN
C401
OPEN
0
22R
4.7n
1u
R56
20
R30
82k
REF
ZD101
open
SOD-123
ZD201
open
SOD-123
ZD301
open
SOD-123
ZD401
open
SOD-123
C15
C29
0
C27
100n
R35
15k
IC2
FDPF7N50F
FAN7319
VOLP
REF
BDIM
ADIM
CMP
TIMER
RT
RT1
SENSE
GND
FDPF7N50F
M1
TO-220F
M2
TO-220F
680nF
FDPF7N50F
M3
TO-220F
M4
FDPF7N50F
TO-220F
MODE
OVPR
C5
20-SOIC
OUTA
OUTB
OUTC
OUTD
ENA
OLP
OLR
VIN
600V
T 3
OLP
OLR
Number of Lamps
CN3
CN_CCFL
R20
33
1W
R27
33
1W
R55
OUTA
OUTB
OUTC
OUTD
CCFL/EEFL IP
R54
68k
47k
0
0
R21
OPEN
1W
R28
OPEN
1W
C26
1n
C3
27pF/6KV
C7
15n\
REF
0
C23
2.2u
0
0
R59
OPEN
R60
0R
R12
10k
D10 BAV70
open
R33
C1
47uF
25V
OLR
SOT-23
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C11
R16
R15
10k
D8
BAV70
SOT-23
R19
15k
R52
4.7R
22p
30k
0
R34
30k
R22
30k
VIN
R14
10k
0
CN4
CN_CCFL
C6
27pF/6KV
C8
15n
SENSE
OLP