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參數(shù)資料
| 型號： | LX1992 |
| 廠商： | Microsemi Corporation |
| 英文描述： | High Efficiency LED Driver |
| 中文描述： | 高效率LED驅(qū)動器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 335K |
| 代理商： | LX1992 |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
Copyright
2000
Rev. 1.1b, 2005-03-03
W
M
.
C
LX1992
High Efficiency LED Driver
P
RODUCTION
D
ATA
S
HEET
TM
A P P L I C A T I O N C I R C U I T S
Typical LED Driver Applications
C
1
4.7
μ
F
L
1
47
μ
H
1206 Case Size
LX1992
GND
FB
CS
DRV
SHDN
IN
ADJ
SRC
R
SET
15
V
BAT
= 1.6V to 6.0V
ON OFF
V
F
= 3.6V typ.
I
LED
= 0mA to 20mA
R
CS
4
k
Figure 1
– LED Driver with Full-Range Dimming Via PWM Input
C
1
4.7
μ
F
L
1
47
μ
H
1206 Case Size
LX1992
GND
FB
CS
DRV
SHDN
IN
ADJ
SRC
R
SET
15
V
BAT
= 1.6V to 6.0V
ON OFF
V
F
= 3.6V typ.
I
LED
= 0mA to 20mA
V
ADJ
= 0.0V to 0.3V
+
-
R
CS
4
k
Figure 2
– LED Driver with Full-Range Dimming Via Analog Voltage 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
T
I
O
N
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