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參數(shù)資料
| 型號(hào)： | LX1745-CPW |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Triple Output Boost ? LED Driver / LCD Bias |
| 中文描述： | LED DISPLAY DRIVER, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 439K |
| 代理商： | LX1745-CPW |
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LX1745
P
RODUCTION
D
ATASHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
W
M
.
C
Triple Output Boost – LED Driver / LCD Bias
I N T E G R A T E D P R O D U C T S
Copyright
2000
Rev. 1.1a, 2004-02-06
APPLICATION CIRCUITS
C
1
4.7μ
F
L
1
47
μ
H
1206 Case Size
LX1745
LFB
CS
DRV
IN
SRC
R
15
(typ)
V
BAT
= 1.6V to 6.0V
I
LED
= 20mA to 0mA
OVP
SW1
V
LCD1
= V
IN
to 25V
FB1
- V
LCD
BRT
LSHDN
ON OFF
SW2
FB2
V
LCD2
= V
IN
to 25V
REF
ADJ1
SHDN1
ON OFF
GND
ADJ2
SHDN2
ON OFF
L
2
L
3
D
1
D
2
D
3
D
3
D
4
R
1
R
2
R
3
R
4
R
5
R
6
R
CS
(Feedforward Capacitor)
Figure 2 –
LED Driver with Full-Range Dimming plus LCD Bias With Contrast Adjustment Via PWM Input
A
P
P
L
I
C
A
T
I
O
N
S
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