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參數(shù)資料
| 型號： | LX8815-3325CDF |
| 廠商： | Microsemi Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 66K |
| 代理商： | LX8815-3325CDF |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
Copyright
2000
Rev. 0.2a, 2000-11-20
W
M
.
LX8815
Dual Channel 1A Low Dropout Regulator
P
RELIMINARY
A M I C R O S E M I C O M P A N Y
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0
°
C
≤
T
A
≤
125
°
C except where
otherwise noted and the following test conditions: V
IN
= 5V, I
OUT
= 10mA, C
1
= 4.7
μ
F (Tantalum), C
2
= 4.7
μ
F (Tantalum), and T
J
= T
A
25
°
C using low duty cycling methods.
LX8815-33xx
Min
Typ
3.250
3.234
3.300
1.0
2.462
2.450
1.773
1.764
1.80
0.02
0.04
1.0
60
0.003
Parameter
Symbol
Test Conditions
Max
3.350
3.366
5.0
10
1.25
2
2.537
2.550
1.827
1.36
0.15
0.3
1.3
2
7
Units
FIXED OUTPUT 1
Output Voltage
V
1
V
IN
= 5V, I
OUT
= 5mA, T
J
= 25
°
C
5mA < I
1
< 1A, 4.50V < V
IN
< 10V
4.75V < V
IN
< 10V, I
OUT
= 5mA
5mA < I
1
< 1A, V
IN
= 4.75V
I
LOAD
= 1A,
V
1
= -2%
(V
IN
– V
1
)
Note 1
3.300
V
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
FIXED OUTPUT 2
Output Voltage
LX8815-3325
LX8815-3318
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
ENTIRE REGULATOR
Quiescent Current
Ripple Rejection
RMS Output Noise (% of V
OUT
)
Thermal Shutdown
Note 1: Minimum load current is defined as the amount of output current required to maintain regulation.
V
1
(V
IN
)
V
1
(I
1
)
V
I
OUT (MAX)
I
L
0.3
0.8
1.1
1.4
0
2.50
2.50
1.80
mV
mV
V
A
mA
V
1
V
IN
= 5V, I
OUT
= 5mA, T
J
= 25
°
C
5mA < I
1
< 1A, 4.50V < V
IN
< 10V
V
IN
= 5V, I
OUT
= 5mA, T
J
= 25
°
C
5mA < I
1
< 1A, 4.50V < V
IN
< 10V
4.75V < V
IN
< 10V, I
OUT
= 5mA
5mA < I
1
< 1A, V
IN
= 4.75V
V
IN
> 4.5V, I
LOAD
= 1A,
V
1
= -1%
(V
IN
– V
1
)
Note 1
V
IN
< 10V, I
1
= 5mA, I
2
= 5mA
f=120Hz, V
IN
= 5V
V
OUT (RMS)
10Hz < f < 10kHz
T
JSD
V
V
1
(V
IN
)
V
1
(I
1
)
V
I
OUT (MAX)
I
L
%mV
%mV
V
A
mA
mA
dB
%V
1
°
C
1.1
1.4
1
1.8
75
I
Q
PSRR
140
E
L
E
C
T
R
I
C
A
L
S
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