參數(shù)資料
型號(hào): LX1882-33CDU
英文描述: Charge Pump
中文描述: 電荷泵
文件頁數(shù): 11/13頁
文件大?。?/td> 309K
代理商: LX1882-33CDU
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 11
Copyright
2000
Rev. 1.0c, 2002-08-01
W
M
.
C
LX1882
Charge Pump Doubler with Linear Regulator
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
3
4
5
6
7
8
9
2.00
2.25
2.50
2.75
3.00
3.25
VIN (V)
3.50
3.75
4.00
4.25
4.50
C
LX00mA
LX01mA
LX10mA
LX25mA
LX50mA
Figure 11
CPO Voltage vs. Input Voltage
;
T
A
= 25°C, C1 = 0.22μF, C2, C3, C4 = 4.7μF, C
FILT
= 0.1μF
1
2
3
4
5
6
7
8
9
10
0
5
10
15
OUTPUT LOAD CURRENT (mA)
20
25
30
35
40
45
50
C
LX2.0V
LX3.0V
LX4.0V
LX2.5V
LX3.5V
LX4.5V
Figure 12
CPO Voltage vs. Load Current
;
T
A
= 25°C, C1 = 0.22μF, C2, C3, C4 = 4.7μF, C
FILT
= 0.1μF
50
60
70
80
90
100
110
120
1.5
2
2.5
3
3.5
4
4.5
5
INPUT VOLTAGE ( V )
V
Figure 13 – V
OUT
Shutdown Resistance vs. Input Voltage
;
T
A
= 25°C, C1 = 0.22μF, C2, C3, C4 = 4.7μF, C
FILT
= 0.1μF
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
0
5
10
15
20
25
30
35
40
45
50
OUTPUT LOAD CURRENT - (mA)
E
2.0V
2.5V
3.0V
3.5V
4.0V
4.5V
Figure 14 – Efficiency vs. Output Current
;
T
A
= 25°C, C1 = 0.22μF, C2, C3, C4 = 4.7μF, C
FILT
= 0.1μF
C
H
A
R
T
S
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