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ADP3336 데이터 시트보기 (PDF) - Analog Devices

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ADP3336
High Accuracy Ultralow IQ, 500 mA anyCAP® Adjustable Low Dropout Regulator
ADI
Analog Devices ADI
ADP3336 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
2.210
2.200
2.190
2.189
2.179
3.500
3.000
VOUT = 2.2V
RL = 4.4⍀
CL = 1␮F
40
80
140
180
TIME – ␮s
2.210
2.200
2.190
2.189
2.179
3.500
3.000
VOUT = 2.2V
RL = 4.4⍀
CL = 10␮F
40
80
140
180
TIME – ␮s
ADP3336
2.3
2.2
2.1
400
200
VIN = 6V
VOUT = 2.2V
0
CL = 1␮F
200
400
600
800
TIME – ␮s
TPC 10. Line Transient Response
TPC 11. Line Transient Response
TPC 12. Load Transient Response
2.3
2.2
2.1
400
200
VOUT = 2.2V
VIN = 6V
0
CL = 10␮F
200
400
600
800
TIME – ␮s
TPC 13 Load Transient Response
–20
VOUT = 2.2V
–30
CL = 1␮F
–40
IL = 500mA
CL = 10␮F
IL = 500mA
–50
CL = 1␮F
IL = 50␮A
–60
–70
–80
CL = 10␮F
IL = 50␮A
–90
10 100 1k 10k 100k 1M 10M
FREQUENCY – Hz
TPC 16. Power Supply Ripple
Rejection
2.2
0
FULL SHORT
3
800m⍀
SHORT
2
1
VIN = 4V
0
200
400
600
800
TIME – ␮s
3 1␮F
2
1
0
10␮F
VIN = 6V
VOUT = 2.2V
RL = 4.4⍀
10␮F
1␮F
2
0
200
400
600
800
TIME – ␮s
TPC 14. Short Circuit Current
TPC 15. Turn On–Turn Off Response
160
VOUT = 2.0V
140
CNR = 10nF
120
IL = 500mA WITHOUT
100
NOISE REDUCTION
IL = 500mA WITH
80
NOISE REDUCTION
60
IL = 0mA WITHOUT
NOISE REDUCTION
40
20
IL = 0mA WITH NOISE REDUCTION
0
0
10
20
30
40
50
CL – ␮F
TPC 17. RMS Noise vs. CL
(10 Hz–100 kHz)
100
VOUT = 2.2V
IL = 1mA
10
CL = 10␮F
CNR = 10nF
CL = 10␮F
CNR = 0
CL = 1␮F
1
CNR = 0
0.1
0.01
CL = 1␮F
CNR = 10nF
0.001
10
100
1k
10k 100k 1M
FREQUENCY – Hz
TPC 18. Output Noise Density
REV. A
–5–

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