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參數(shù)資料
| 型號： | LX1910-CDUT |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.8 A SWITCHING REGULATOR, 1325 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 602K |
| 代理商： | LX1910-CDUT |
LX1910
PRELIMINARY DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 10
WWW
.Microse
m
i
.CO
M
High Frequency Step Down Regulator
I N T E GR A T ED
PRODUCT S
Copyright
2000
Rev. 0.9a, 2004-04-16
LOAD REGULATION
L I NE REGULATION
LX1910 LOAD REGULATION (Vout=1.5V)
-0.35%
-0.30%
-0.25%
-0.20%
-0.15%
-0.10%
-0.05%
0.00%
0.05%
0.10%
0.15%
0
100
200
300
400
500
600
700
IOUT, ma
O
U
T
P
U
T
D
EVI
AT
IO
N
,
%
1910 LINE REG (Vout=1.5V, Rload=15 ohms)
0.55
0.65
0.75
0.85
0.95
1.05
1.15
1.25
1.35
1.45
1.55
11.5
22.5
3
3.5
4
4.5
55.5
6
Vin, volts
Vo
VO
LT
-0.5%
-0.4%
-0.3%
-0.2%
-0.1%
0.0%
0.1%
0.2%
0.3%
0.4%
0.5%
Vo
Vout Error
S T E P RESPON S E
L I NE REGULATION
Ch1
50.0mV BW
Ch4
200mA
M 1.0s
T
21.4%
A Ch1
-74.0mV
T
Output Load Step Response: CH1: VOUT and CH4: IOUT; Condition: VIN =
5.0V; ISTEP = 50 to 600mA
1910 LINE REG (Vout=1.5V, Rload=15 ohms)
0.55
0.65
0.75
0.85
0.95
1.05
1.15
1.25
1.35
1.45
1.55
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
Vin, volts
Vo
VO
LT
-0.5%
-0.4%
-0.3%
-0.2%
-0.1%
0.0%
0.1%
0.2%
0.3%
0.4%
0.5%
Vo
Vout Error
PFM MOD E
PWM MODE
Ch1
50.0mV BW
Ch3
1.00 V BW
M 400s
T
21.4%
A
Ch3 1.28V
T
Switching Waveforms: PFM Mode
CH3: VSW (pin 8) and CH1: VOUT; ( VIN = 5.0V; IOUT = 1mA)
Ch1
10.0mV BW
Ch3
2.00 V BW
M 1.0s
T
21.4%
A
Ch3 1.28V
T
Switching Waveforms: PWM Mode
CH3: VSW (pin 8) and CH1: VOUT; (VIN = 5.0V; IOUT = 10mA)
CC
HH
AA
RR
TT
SS
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