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ADP3331(RevA) Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге
Компоненты Описание
производитель
ADP3331
(Rev.:RevA)
Adjustable Output Ultralow IQ, 200 mA, SOT-23, anyCAP® Low Dropout Regulator
ADI
Analog Devices ADI
ADP3331 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
3.040
3.000
2.960
2.920
VOUT = 3V
RL = 15⍀
CL = 0.47␮F
7.5
7.0
0
100 200
300 400
500
TIME (␮s)
TPC 10. Line Transient Response
3.040
3.000
2.960
2.920
VOUT = 3V
RL = 15⍀
CL = 10␮F
7.5
7.0
0
100 200
300 400
500
TIME (␮s)
TPC 11. Line Transient Response
ADP3331
3.100
3.050
3.000
2.950
2.900
200
100
0
VIN = 7V
VOUT = 3V
CL = 0.47␮F
20mA
0
200 400
600 800 1000
TIME (␮s)
TPC 12. Load Transient Response
3.100
3.050
3.000
2.950
2.900
200
100
0
VIN = 7V
VOUT = 3V
CL = 10␮F
20mA
0
200 400
600 800 1000
TIME (␮s)
TPC 13. Load Transient Response
0
VOUT = 3.0V
–10
–20
CL = 0.47␮F
IL = 0.1mA
–30
–40
CL = 0.47␮F
IL = 200mA
–50
–60
CL = 10␮F
–70
IL = 200mA
–80
CL = 10␮F
IL = 0.1mA
–90
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
TPC 16. Power Supply Ripple
Rejection
3
VOUT
0
500
400
300
IOUT
200
100
VIN = 7V
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TIME (Sec)
TPC 14. Short Circuit Current
3
2
VOUT
1
0
VERR 3
0
2
VSD
0
VIN = 7V
VOUT = 3V
CL = 10␮F
RL = 15⍀
0
200 400
600 800 1000
TIME (␮s)
TPC 15. Turn On–Turn Off Response
160
140
120
IL = 200mA
100
IL = 0mA
80
60
IL = 200mA
WITH 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 to 100 kHz)
1
CL = 0.47␮F
CNR = 0
CL = 10␮F
CNR = 0
CL = 0.47␮F
CNR = 10nF
0.1
CL = 10␮F
CNR = 10nF
0.01
10
VOUT = 3.0V
IL = 200mA
100
1k
10k 100k
1M
FREQUENCY (Hz)
TPC 18. Output Noise Density
REV. A
–5–

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