參數(shù)資料
型號(hào): LX1741CDUT
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: 0.145 A SWITCHING CONTROLLER, PDSO8
封裝: PLASTIC, MSOP-8
文件頁數(shù): 5/15頁
文件大?。?/td> 459K
代理商: LX1741CDUT
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
WWW
.Microse
m
i
.CO
M
LX1741
High Efficiency High Voltage Boost Controller
PRODUCTION DATA SHEET
I N T E GR A T ED
PRO DUC T S
CHARACT ER ISTIC CURVES
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
10
111213141516
171819 20
Output Current
E
ffi
c
ie
n
c
y
(%)
Figure 15 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 1.6V, VOUT = 5.0V, L1 = 47.0H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
10
111213141516171819 20
Output Current
Ef
fi
ciency
(
%
)
Figure 16 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 3.0V, VOUT = 5.0V, L1 = 47.0H
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
Ef
fi
ciency
(
%
)
Figure 17 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 3.0V, VOUT = 5.0V, L1 = 47.0H
0
1
2
3
4
5
6
0
20
40
60
80
100
120
Drive Current (mA)
Gate
D
riv
e
Vol
tage
(
V
)
Figure 18
– Gate Drive Voltage vs. Drive Current (mA)
CC
HH
AA
RR
TT
SS
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