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): 13/16頁(yè)
文件大小: 439K
代理商: LX1745-CPW
LX1745
P
RODUCTION
D
ATASHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 13
W
M
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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
EVALUATION BOARD
R4
4.02K
L1
47.0uH
+
4.7uF
6.3V
C3
1000pF
R1
1M
R2
72K
R3
15
18V
VLCD1
1
22V
L2
L3
CR1
UPS5819
CR2
UPS5819
CR3
UPS5819
R7
SHDN1
1
SHDN2
1
VLCD2
1
+
C5
4.7uF
35V
+
C6
4.7uF
35V
+
C4
C7
1000pF
U1
LX1745
CS
LFB
FB2
15
14
13
12
ADJ1
VIN
SHDN
2
3
4
5
6
7
8
16
SW1
1
SHDN2
SW2
9
BRT
17
10
LCDGND2
11
REF
18
LCDGND1
20
FB1
19
C8
1000pF
JU3
1
2
R5
1M
R6
72K
R8
72K
ADJ1
1
ADJ2
1
1uF
REF
1
R12
100K
1uF
R13
100K
JU2
1
2
JU1
1
2
GND
1
Vin
1
CR4
UPS5819
CR5
UPS5819
C9
1uF
C10
1uF
-VLCD
1
+
C2
4.7uF
35V
VOUT
1
FDBK
1
GND
1
+
C11
Spare
Q1
FDV303N
JU4
1
2
LED 4
LED 3
LED 2
LED 1
BRT
1
SHDN
1
R11
10K
10K
R9
10K
Figure 10 –
LX1745EVAL Evaluation Board Schematic
Figure 11 –
LX1745EVAL Evaluation Board
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A
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