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): 13/15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 13
Copyright
2000
Rev. 1.1, 2002-11-21
W
M
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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
C H A R A C T E R I S T I C C U R V E S
50%
60%
70%
80%
90%
100%
1
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5
6
7
8
9
10
11
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13
14
15
16
17
18
19
20
Output Current
E
Figure 15 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 1.6V, V
OUT
= 5.0V, L1 = 47.0
μ
H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Output Current
E
Figure 16 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 3.0V, V
OUT
= 5.0V, L1 = 47.0
μ
H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Output Current
E
Figure 17 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 3.0V, V
OUT
= 5.0V, L1 = 47.0
μ
H
0
1
2
3
4
5
6
0
20
40
60
80
100
120
Drive Current (mA)
G
Figure 18
– Gate Drive Voltage vs. Drive Current (mA)
C
H
A
R
T
S
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