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參數資料
| 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： | 5/15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 5
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
( C O N T I N U E D )
Typical LCD Bias Applications (Cont)
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
V
ADJ
= 0.9V to 1.5V
+
-
LX1741
NDRV
SHDN
IN
SRC
GND
FB
CS
ADJ
Figure 3
– Dynamic Output Voltage Operation Via Analog Voltage Input
LED Driver Application
C
1
4.7
μ
F
R
CS
1k
L
1
47
μ
H
1206 Case Size
R
63.4
V
BAT
= 1.6V to 6.0V
ON OFF
R
1Μ
R
2
59k
V
F
= 3.6V typ.
I
LED
= 20mA to 0.25mA
(
)
+
=
2
1
2
F
ADJ
V
3
LED
R
R
R
V
4
R
1
I
LX1741
NDRV
SHDN
IN
SRC
GND
FB
CS
ADJ
Figure 4
– LED Driver with Full-Range Dimming Via PWM Input
Note
The component values shown are only examples for a working system. Actual values will vary greatly depending on
desired parameters, efficiency, and layout constraints.
A
P
P
L
I
C
A
I
I
O
N
S
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: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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