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参数资料
| 型号： | FAN5341UMPX |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 显示驱动器 |
| 中文描述： | LED DISPLAY DRIVER, PDSO6 |
| 封装： | 2 X 2 MM, 0.55 MM HEIGHT, GREEN, MO-229, UMLP-6 |
| 文件页数： | 8/11页 |
| 文件大小： | 673K |
| 代理商： | FAN5341UMPX |
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5341 Rev. 1.0.1
6
FA
N
5
341
—
Seri
es
B
oost
LED
D
river
wit
h
Int
e
grat
ed
Schottky
Diode
and
Singl
e-
W
ire
Digit
a
lInt
e
rf
ace
Electrical Specifications
Figure 4. 5 LEDs: Efficiency vs. LED Current
vs. Input Voltage
Figure 5. 5 LEDs: Efficiency vs. LED Current
vs. Input Voltage
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
2.7
3
3.3
3.6
3.9
4.2
Input Voltage (V)
D
e
lt
a
Fe
ed
ba
ck
V
o
lt
ag
e
(
m
V
)
-40°C
+25°C
+85°C
Figure 6. 4 LEDs: Efficiency vs. LED Current
vs. Input Voltage
Figure 7. Delta of VFB Over Input Voltage and
Temperature for 4 LEDs with L=10H and
COUT=1.0F at ILED=25mA
Figure 8. 3 LEDs: Efficiency vs. LED Current
vs. Input Voltage
Figure 9. Over-Voltage Protection vs. Input Voltage
17.0
17.5
18.0
18.5
19.0
19.5
20.0
2.7
3
3.3
3.6
3.9
4.2
Input Voltage (V)
OV
P
(
V
)
4 LEDs
L = 10H
COUT = 1.0F
ILED = 25mA
50
60
70
80
90
5
10152025
LED Current (mA)
E
ff
ici
e
n
cy
(%
)
VIN=2.8V
VIN=3.6V
VIN=4.2V
3 LEDs
L = 10H
COUT = 1.0F
ILED = 25mA
50
60
70
80
90
510
15
20
25
LED Current (mA)
E
ffi
cien
c
y
(%
)
VIN=2.7V
VIN=3.6V
VIN=4.2V
4 LEDs
L = 10H
COUT = 1.0F
ILED = 25mA
50
60
70
80
90
510
15
20
25
LED Current (mA)
E
ff
ici
enc
y
(
%
)
VIN=2.8V
VIN=3.6V
VIN=4.2V
5 LEDs
L = 4.7H
COUT = 1.0F
ILED = 25mA
50
60
70
80
90
5
1015
2025
LED Current (mA)
E
ff
icien
cy
(%
)
VIN=2.7V
VIN=3.6V
VIN=4.2V
5 LEDs
L = 10H
COUT = 1.0F
ILED = 25mA
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