参数资料
型号: FAN7346MX
厂商: Fairchild Semiconductor
文件页数: 15/19页
文件大小: 0K
描述: IC LED DRVR 4 CHAN BLU 28SOIC
标准包装: 1
拓扑: PWM
输出数: 4
内部驱动器:
类型 - 主要: 背光,通用
电源电压: 10.5 V ~ 35 V
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: FAN7346MXDKR
Typical Application Circuit (Backlight)
Application
32~46 Inch LED TV
Device
FAN7346
Input Voltage Range
380V
LED String
8-String / 90V / 100mA
CN3
CON10
Q2
FQT4N25
Q3
FQT4N25
Q4
FQT4N25
R54
3.9R
R53
3.9R
R52
3.9R
Q6
FQT4N25
Q7
FQT4N25
Q8
FQT4N25
R58
3.9R
R57
3.9R
R56
3.9R
Q1
FQT4N25
C32
open
C31
open
C33
open
C34
open
R51
Q5
FQT4N25
C35
open
C36
open
C37
open
C38
open
R55
3.9R
C14
3.9R
C20
R31
0R
R32
0R
R37
0R
R38
0R
1u
R55
0R
R56
0R
R57
0R
R58
0R
1u
IC2
FAN7346
IC3
FAN7346
REF1
5V
FAN7346
28-SOIC
VCC2
FAN7346
28-SOIC
VCC2
R19
0R
R18
open
R17
1
U2A
2
PWM3 PWM2 PWM1
ENA
C6
1n
C11
1u
REF1
PWM7 PWM6 PWM5
ENA
C19
1n
REF2
C16
1u
open
1k
ZD102
PC817A
PWM4
REF1
R9
10k
R11
R10
100k
C10
1n
R13
PWM8
REF2
R25
10k
R27
R26100k
C22
1n
open
SOD-123
R12
10k
R720R
10k
R28 open
R710R
open
C203
C3
open
100uF/200V
C1
10n
R3
C2
R4
10k
R5
R6
open
R23
open
R24
open
R1
1M
100k
10n
VCC2
C202
100uF/200V
R2
12k
REF1
C13
22uF/50V
REF2
C12
C201
1u
R14
100uF/200V
D211
FEP16JT
0
D212
FEP16JT
22R
ENA
C102
MPE630V223J
TM103
EER39HS-16
CN6
CON10
C106
2A224K
M101
FDD5N50F
M102
FDD5N50F
R7
1k
C4
10n
R8
10k
R109
10k
R107
3.3R
R110
10k
R108
3.3R
CN5
CON3
D101
UF4007
D101
LMBD914
D102
LMBD914
U1
FAN7621
16-SOIC
R106
10R
12.LVcc
FAN7621
16.PG
10.SG
VCC1
0
R113
390k
U5
2N2907 R112
U4
2N2222
ZD101
C105
R114
10k
10k
6.8V/1N4736
0.33uF/25V
C112
680pF/50V
R107
C107
C103
100pF/50V
R102
R101
0.1R/1W
0
CN6
CON3
C109
25V/47uF
1.8k
R105
16V / 33uF
C108
1k
VCC1
4.7k
12nF/100V
R109
1M
R110
1M
R111
47k
R104
910R
4
U2B
PC817A
3
C101
0
220uF/450V
F2
FUSE
PFC_OUT(380Vdc)
Figure 32. LCD Backlight Driver
? 2011 Fairchild Semiconductor Corporation
FAN7346 ? 1.0.0
15
www.fairchildsemi.com
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