ADP151(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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ADP151 Datasheet PDF : 24 Pages
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0
200mA
–10
100mA
10mA
–20
1mA
100µA
–30
–40
–50
–60
–70
–80
–90
–100
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT = 3.3 V
0
VOUT = 3.3V, IOUT = 200mA
–10
VOUT = 3.3V, IOUT = 10mA
VOUT = 2.8V, IOUT = 200mA
–20
VOUT = 2.8V, IOUT = 10mA
VOUT = 1.1V, IOUT = 200mA
–30
VOUT = 1.1V, IOUT = 10mA
–40
–50
–60
–70
–80
–90
–100
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 18. Power Supply Rejection Ratio vs. Frequency at
Various Output Voltages and Load Currents
0
IOUT = 200mA, VIN = 3.3V
–10
IOUT = 10mA, VIN =3.3V
IOUT = 200mA, VIN = 3.8V
–20
IOUT = 10mA, VIN = 3.8V
–30
–40
–50
–60
–70
–80
–90
–100
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 19. Power Supply Rejection Ratio vs. Frequency at Various Voltages
and Load Currents, VOUT = 2.8 V
ADP151
14
3.3V
13
2.8V
12
1.2V
11
1.1V
10
9
8
7
6
5
4
3
2
1
0
0.001
0.01
0.1
1
10
100
1k
LOAD CURRENT (mA)
Figure 20. Output Noise vs. Load Current and Output Voltage,
VIN = 5 V, COUT = 1 μF
1
3.3V
2.8V
1.2V
1.1V
0.1
0.01
10
100
1k
10k
FREQUENCY (Hz)
100k
Figure 21. Output Noise Spectrum, VIN = 5 V, ILOAD = 10 mA, COUT = 1 μF
T
LOAD CURRENT
1
2
VOUT
CH1 200mA CH2 50mV
M20µs
A CH1 64.0mA
T 10.00%
Figure 22. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 200 mA
Rev. 0 | Page 9 of 24
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