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參數(shù)資料
| 型號： | LX1741CDU |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Efficiency High Voltage Boost Controller |
| 中文描述： | 0.145 A SWITCHING CONTROLLER, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 459K |
| 代理商： | LX1741CDU |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
Copyright
2000
Rev. 1.1, 2002-11-21
W
M
.
C
LX1741
High Efficiency High Voltage Boost Controller
P
RODUCTION
D
ATA
S
HEET
I N T E G R A T E D P R O D U C T S
A P P L I C A T I O N C I R C U I T S
Typical LCD Bias Applications
V
BAT
= (1.6V to 6.0V)
+
=
2
1
REF
OUT
V
R
R
1
V
R
1
R
2
C
1
4.7
μ
F
C
2
1nF
*
R
CS
1k
L
1
* Optional Component
used to reduce output
voltage ripple.
47
μ
H
LX1741
NDRV
SHDN
IN
SRC
GND
FB
CS
ADJ
Figure 1
– Fixed Output Voltage Operation
V
BAT
= (1.6V to 6.0V)
+
=
2
1
ADJ
OUT
V
R
R
1
V
R
1
R
2
C
1
4.7
μ
F
C
2
1nF
*
R
CS
1k
L
1
* Optional Component
used to reduce output
voltage ripple.
47
μ
H
R
PWM
100kHz
V
PWM
= 3.0V
625k
LX1741
NDRV
SHDN
IN
SRC
GND
FB
CS
ADJ
Figure 2
– Dynamic Output Voltage Operation Via PWM Input
Note
: An in-series R
PWM
will attenuate the PWM amplitude to the proper signal level at the ADJ pin. With the R
PWM
value
shown, a PWM signal having a duty of 30% to 50% will generate 0.9V to 1.5V at the ADJ pin.
A
P
P
L
I
C
A
T
I
O
N
S
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LX1741CDU-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:High Efficiency High Voltage Boost Controller |
| LX1741CLM | 功能描述:IC REG CTRLR BST PWM VM 8MLP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LX1741CLM-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:High Efficiency High Voltage Boost Controller |
| LX1742 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:High Efficiency High Voltage Boost Controller |
| LX1742 EVAL KIT | 制造商:Microsemi Corporation 功能描述:EVAL KIT FOR LX1742 - Bulk |
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