FAN7311BMX Fairchild Semiconductor, FAN7311BMX Datasheet - Page 2

• Manufacturer Part Number: FAN7311BMX
• Description: IC INVERTER DRIVE LCD 20-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7311BMX

• Applications: LCD TV/Monitor
• Voltage - Supply: 5 V ~ 25.5 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Maximum Clock Frequency: 250 KHz
• Operating Supply Voltage: 5 V to 25.5 V
• Maximum Power Dissipation: + 85 C
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 4 mA
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Details
• Other names: FAN7311BMXTR

FAN7311B Rev. 1.0.0
© 2007 Fairchild Semiconductor Corporation
Typical Application Circuits
1. Schematic
2. Transformer Schematic Diagram
- Supported by Namyang electronics (http://www.namyangelec.co.kr)
3. Core & Bobbin
Core: EFD2124
Material: PL7
Bobbin: EFE2124
CN5
12505WR-10
1
2
3
4
5
6
7
8
9
10
12V
0
DIM (0~3.3V )
19-inch LCD Monitor
ON/OFF
R4
56k
FUSE
Application
F1
C21
10n
R24
10k
0
R3
75k
REF
0
0
0
C22
220u
25V
C28
10n
R2
56k
C9
1u
0
OLP
0
0
0
Q1
R7 0
KST2222
C1
0.22u
C2
1u
D1
BAW56
REF
C3
4.7n
IC1
R1
330k
OLP
OLR
ENA
S_S
GND
REF
ADIM
BDIM
EA_IN
EA_OU T
FAN7311B
0
PGND
R8
100k
R14
100k
OUTB
OUTA
OUTC
OUTD
R T1
BC T
R20
10k
C18
2.2n
VIN
C T
R T
D11
BAW56
D10
BAW56
Figure 10. Typical Application Circuit
0
Figure 11. Transformer Schematic
C5 220p
R5 27k
C4 4.7n
C6
1u
OUTA
OLP3
R6
56k
OUTB
R21
10k
C17
2.2n
C26
1n
RT
OLR
0
0
0
0
0
0
0
J1
0
RT
OLP4
R9
9.1k
C19
2.2n
0
R22
10k
0
0
0
R25
10k
R27
10k
Lamps
R15
10k
OLP1
R23
10k
C20
2.2n
FDS8958A
FDS8958A
4
M1
SN
GN
SP
GP
M2
SN
GN
SP
GP
10
0
OLP2
FB
DN
DN
DP
DP
DN
DN
DP
DP
C7 10u
C8 10u
0
C25
1u
OLR
OLR
FAN7311 Rev. 04
TX1
TX2
0
C27
1u
D4
BAV70
D3
BAV70
0
0
C10
15p
R26
1k
C12
15p
R1 2
1k
0
0
C14
12n
C29
12n
Input Voltage
0
0
R13
1k
C13
15p
R11
1k
C11
15p
FB
FB
0
0
C30
12n
C1 5
12n
OLP1
OLP3
13V
0
D6
BAV99
D8
BAV99
0
1
2
1
2
0
0
R16
1k
R18
1k
HOT
COLD
HOT
COLD
LTM190EX
OLP2
OLP4
C N2
C CFL
C N4
C CFL
www.fairchildsemi.com
0
0
D7
BAV99
D9
BAV99
1
2
1
2
0
0
R 17
1k
R 19
1k
H OT
C OLD
H OT
C OLD
C N1
C CFL
C N3
C CFL