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參數(shù)資料
| 型號： | ADP3303 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 200 mA Low Dropout Linear Regulator(高精度低壓差線性穩(wěn)壓器) |
| 中文描述： | 200毫安低壓差線性穩(wěn)壓器（高精度低壓差線性穩(wěn)壓器） |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 210K |
| 代理商： | ADP3303 |
ADP3303
–5–
REV. 0
TIME – μs
5.02
4.99
0
20
200
40
60
80 100 120 140 160 180
5.01
5.00
7.0
4.98
7.5
V
25
, 0.47μF LOAD
V
IN
V
OUT
= 5V
Figure 11. Line Transient Response
TIME – μs
V
3.310
3.305
0
200
1000
400
600
800
3.290
200
10
3.300
3.295
m
V
OUT
= 3.3V
I(V
OUT
)
V
OUT
C
L
= 10μF
Figure 14. Load Transient for
10 mA to 200 mA Pulse
TIME – μs
V
4
1
0
25
5
10
15
20
3
2
0
0
5
V
OUT
V
SD
C = 0.47μF
R = 16.5
ON 3.3V OUTPUT
Figure 17. Turn Off
TIME – μs
5.02
4.99
0
40
400
80 120 160 200 240 280 320 360
5.01
5.00
7.0
4.98
7.5
V
5k
, 0.47μF LOAD
V
IN
V
OUT
= 5V
Figure 12. Line Transient Response
V
TIME – sec
3.5
0
0
5
1
2
3
4
0
300
100
400
200
3.3V
m
V
OUT
I
OUT
V
IN
= 7V
Figure 15. Short Circuit Current
FREQUENCY – Hz
R
0
–100
10
100
10M
1k
10k
100k
1M
–10
–60
–70
–80
–90
–20
–30
–50
–40
a. 0.47μF, R
L
= 33k
b. 0.47μF, R
L
= 16.5
c. 10μF, R
L
= 33k
d. 10μF, R
L
= 16.5
b d
a c
b
d
a
c
V
OUT
= 3.3V
Figure 18. Power Supply Ripple
Rejection
TIME – μs
V
3.310
3.305
0
200
1000
400
600
800
3.290
200
10
3.300
3.295
m
V
OUT
= 3.3V
I(V
OUT
)
V
OUT
C
L
= 0.47μF
Figure 13. Load Transient for 10 mA
to 200 mA Pulse
TIME – μs
V
4
0
40
200
80
120
160
1
0
5
3
0
3
2
C
L
= 0.47μF, R
L
= 3.3k
C
L
= 10μF, R
L
= 3.3k
C
L
= 10μF, R
L
= 16.5
3.3V
V
OUT
SD
V
IN
= 7V
Figure 16. Turn On
FREQUENCY – Hz
V
10
1
0.01
100
1k
100k
10k
0.1
0.47μF BYPASS
PIN 7, 8 TO PIN 3
VOUT = 3.3V, C
L
= 0.47μF,
I
L
= 1mA, C
NR
= 0
VOUT = 5V, C
L
= 0.47μF,
I
L
= 1mA, C
NR
= 0
VOUT = 2.7-5.0V, C
L
= 10μF,
I
L
= 1mA, C
NR
= 10nF
Figure 19. Output Noise Density
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