參數(shù)資料
型號(hào): 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(yè)數(shù): 12/15頁(yè)
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 12
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
C H A R A C T E R I S T I C C U R V E S
Channel 1
Channel 2
Figure 11
V
OUT
and Inductor Current Waveforms (mA)
Channel 1: V
OUT
(AC coupled; 100mV/div)
Channel 2: Inductor Current (100mA/div.)
Configuration: V
IN
= 3.0V, V
OUT
= 17.9V, I
OUT
= 11.0mA
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 12 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 3.0V, V
OUT
= 17.9V, L1 = 47.0
μ
H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
12
13
14
15
16
17
18
19
20
Output Current
E
Figure 13 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 5.2V, V
OUT
= 17.9V, L1 = 94.0
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 14 –
Efficiency vs. Output Current (mA)
Configuration: V
IN
= 3.0V, V
OUT
= 10.0V, L1 = 47.0
μ
H
C
H
A
R
T
S
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