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參數(shù)資料
| 型號： | AMS2954C-X |
| 廠商： | Advanced Monolithic Systems, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 250mA LOW DROPOUT VOLTAGE REGULATOR |
| 中文描述： | 250mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大小： | 169K |
| 代理商： | AMS2954C-X |
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS2954
TYPICAL PERFORMANCE CHARACTERISTICS
(Continued)
Load Transient Response
TIME (ms)
O
C
C
L
= 1
μ
F
V
OUT
= 5V
0
1
2
3
4
5
100
μ
A
0
50
150
100
250
200
2
1
7
6
AMS2954 Enable Transient
0
2
0
3
4
5
TIME (
μ
s)
S
V
0
100 200 300 400 500 600 700
-100
-2
I
L
= 10 mA
V
IN
= 8V
-50
-100
2mA
~
~
L
C
Load Transient Response
TIME (ms)
O
C
0
4
8
12
16
20
100
μ
A
-20
-40
-60
0
40
20
80
60
mA
~
L
C
O
V
C
L
= 10
μ
F
V
OUT
= 5V
V
OUT
= 5V
C
L
= 10
μ
F
C
L
= 1
μ
F
10
100
1K
100K
FREQUENCY (Hz)
O
)
0.01
10
Output Impedance
2
1
0.05
0.02
10
1
10
4
10
5
90
60
10
6
R
Ripple Rejection
FREQUENCY (Hz)
70
40
30
10
2
I
L
= 100
μ
A
20
50
80
V
IN
= 6V
V
OUT
= 5V
10
3
10
1
10
4
10
5
90
60
10
6
R
Ripple Rejection
FREQUENCY (Hz)
70
40
30
10
2
I
L
= 1mA
20
50
80
V
IN
= 6V
V
OUT
= 5V
10
3
10
1
10
4
10
5
80
50
10
6
R
Ripple Rejection
FREQUENCY (Hz)
60
30
20
10
2
I
L
= 50mA
10
40
70
V
IN
= 6V
10
3
FREQUENCY (Hz)
V
D
√
H
0.0
3.5
AMS2954 Output Noise
2.0
1.5
0.5
10
4
10
5
10
2
10
3
1.0
3.0
2.5
-75
0
25 50 75 100 125
TEMPERATURE (° C)
400
200
150
P
)
AMS2954 Divider Resistance
300
100
-50 -25
0
5
0.1
0.2
0.5
10K
1M
C
L
= 1
μ
F
I
L
= 250mA
C
L
= 220
μ
F
C
L
= 3.3
μ
F
0.01
μ
F
BYPASS
PIN 1 TO
PIN 7
5V
OUTPUT
I
L
= 250mA
C
L
= 1
μ
F
V
OUT
= 5V
C
L
= 1
μ
F
V
OUT
= 5V
I
O
= 1 mA
I
O
= 100
μ
A
I
O
= 250mA
C
L
= 1
μ
F
I
L
= 0
C
L
= 1
μ
F
I
L
= 10mA
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