FAN7316 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN7316 Datasheet PDF : 3 Pages
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Typical Application Circuit (LCD Backlight Inverter)
Application
19-Inch LCD Monitor
Device
FAN7316
Input Voltage Range
14.5±10%
Number of lamps
4
1. Features
High-Efficiency Single-Stage Power Conversion
N-N Half-Bridge Topology
Reduces Required External Components
Enhanced System Reliability through Protection Functions
F1
FUSE
C1
330u
0
OLP3 OLP4 OLR 0
0
0
R2 R3
100k 100k
C5 R1 R24
10n 30k 0R
CN5
1
2
3
4
5
6
7
8
9
10
IC1
15V
DIM(0~3.3V)
ON/OFF
FAN7316
12505WR-10
0
R8 R9
100k 100k
R25
C12
N.C.
33n
OLP1 OLP2
0
REF
R10
R12
12k
75k
R13
100k
C14
0.1u
R11
9.1k
R20
00
10k
C17
10n
0
0
R22
0R
C23 R23
N.C. N.C.
0
0
C2
1u
0
C6
1u
R31
10R
0
R30
10R
C13
1u
0
C3
1u
0
M1
SN1
DN1
GN1
DN1
SN2
DN2
GN2
DN2
AOP800
TX1
0
D2
BAV70
C4 10u
TX2
C7 10u
0
OLR
R27
10k
R29 D4
0
BAV70
R18
100k
C21
4.7n
0
0
C8
3p
R4 C10
10k 2.7n
CN2
LTM 190EX 35001WR-02A
11
C9
3p
OLP4
R5 C11
10k 2.7n
CN1
35001WR-02A
11
22
22
OLP3
0
0
C15
3p
R14 C18
10k 2.7n
0
0
D3
BAV70
R6
R7
680
680
0
0 CN4
35001WR-02A
11
CN3
35001WR-02A 2 2
11
C16
3p
OLP2
R15 C19
10k 2.7n
22
OLP1
0
0
0
0
R28
D5
BAV70
R17
680
0
R16
680
0
20k
C20 R19
1n
10k
R21
0
0
20k
Figure 47. Typical Application Circuit
2. Transformer Schematic Diagram
3. Core & Bobbin
Core: EFD2126
Material: PL7
Bobbin: EFD2126
Figure 48. Transformer Schematic Diagram
© 2007 Fairchild Semiconductor Corporation
FAN7316 • 1.0.1
18
www.fairchildsemi.com
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