參數(shù)資料
型號: 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): 4/15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 12
Copyright
2000
Rev. 1.1, 2002-11-21
WWW
.Microse
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i
.CO
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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
Channel 1
Channel 2
Figure 11 –
VOUT and Inductor Current Waveforms (mA)
Channel 1: VOUT (AC coupled; 100mV/div)
Channel 2: Inductor Current (100mA/div.)
Configuration: VIN = 3.0V, VOUT = 17.9V, IOUT = 11.0mA
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
101112131415
16171819 20
Output Current
E
ffi
c
ie
n
c
y
(%)
Figure 12 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 3.0V, VOUT = 17.9V, L1 = 47.0H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
10
111213141516
171819 20
Output Current
Ef
fi
ciency
(
%
)
Figure 13 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 5.2V, VOUT = 17.9V, L1 = 94.0H
50%
60%
70%
80%
90%
100%
1
2
3
4
5
6
7
8
9
101112131415
16171819 20
Output Current
Ef
fi
ciency
(
%
)
Figure 14 –
Efficiency vs. Output Current (mA)
Configuration: VIN = 3.0V, VOUT = 10.0V, L1 = 47.0H
CC
HH
AA
RR
TT
SS
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