參數(shù)資料
型號: LX1882-33CDU-TR
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: SWITCHED CAPACITOR REGULATOR, 620 kHz SWITCHING FREQ-MAX, PDSO8
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁數(shù): 3/13頁
文件大小: 316K
代理商: LX1882-33CDU-TR
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 11
Copyright
2000
Rev. 1.0e, 2005-03-03
WWW
.Microse
m
i
.CO
M
LX1882
Charge Pump Doubler with Linear Regulator
PRODUCTION DATA SHEET
I N T E GRA T ED
PR ODUC T S
CHARACT ER I S TI C CURVES
3
4
5
6
7
8
9
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
VIN (V)
C
P
O
VOLTA
GE
(V)
LX00mA
LX01mA
LX10mA
LX25mA
LX50mA
Figure 11 – CPO Voltage vs. Input Voltage;
TA = 25°C, C1 = 0.22F, C2, C3, C4 = 4.7F, CFILT = 0.1F
1
2
3
4
5
6
7
8
9
10
0
5
10
15
20
25
30
35
40
45
50
OUTPUT LOAD CURRENT (mA)
C
P
O
VOLTA
GE
(V)
LX2.0V
LX2.5V
LX3.0V
LX3.5V
LX4.0V
LX4.5V
Figure 12 – CPO Voltage vs. Load Current;
TA = 25°C, C1 = 0.22F, C2, C3, C4 = 4.7F, CFILT = 0.1F
50
60
70
80
90
100
110
120
1.5
2
2.5
3
3.5
4
4.5
5
INPUT VOLTAGE ( V )
VOUT
SHDN
RESI
STANCE
-
(
Ohm
s
)
Figure 13 – VOUT Shutdown Resistance vs. Input Voltage;
TA = 25°C, C1 = 0.22F, C2, C3, C4 = 4.7F, CFILT = 0.1F
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)
EFFI
CI
ENCY
-
(
%
)
2.0V
2.5V
3.0V
3.5V
4.0V
4.5V
Figure 14 – Efficiency vs. Output Current;
TA = 25°C, C1 = 0.22F, C2, C3, C4 = 4.7F, CFILT = 0.1F
CC
HH
AA
RR
TT
SS
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