ADP151 Analog Devices, ADP151 Datasheet - Page 9

• Manufacturer Part Number: ADP151
• Description: Ultra Low Noise, 200 mA CMOS Linear Regulator
• Manufacturer: Analog Devices

Figure 20. Power Supply Rejection Ratio vs. Frequency at Various Output Voltages
Figure 19. Power Supply Rejection Ratio vs. Frequency, V
Figure 21. Power Supply Rejection Ratio vs. Frequency at Various Voltages
and Load Currents, V
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
10
10
10
I
I
I
I
V
V
V
V
V
V
200mA
100mA
10mA
1mA
100µA
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
100
100
100
= 200mA, V
= 10mA, V
= 200mA, V
= 10mA, V
= 3.3V, I
= 3.3V, I
= 2.8V, I
= 2.8V, I
= 1.1V, I
= 1.1V, I
and Load Currents, V
OUT
− V
OUT
OUT
OUT
OUT
OUT
OUT
1k
1k
1k
IN
IN
IN
IN
IN
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
=3.3V
= 3.8V
= 200mA
= 10mA
= 200mA
= 10mA
= 200mA
= 10mA
= 0.5 V, except for V
= 3.3V
= 3.8V
10k
10k
10k
OUT
= 2.8 V
100k
100k
100k
OUT
= 1.1 V, V
OUT
1M
1M
1M
= 3.3 V, V
IN
= 2.2 V
10M
10M
10M
IN
= 3.8 V
Rev. D | Page 9 of 24
Figure 24. Load Transient Response, C
1000
1
2
Figure 22. Output Noise vs. Load Current and Output Voltage,
100
10
14
13
12
11
10
0.001
CH1 200mA CH2 50mV
9
8
7
6
5
4
3
2
1
0
10
Figure 23. Output Noise Spectral Density vs. Frequency,
T
3.3V
2.8V
1.2V
1.1V
0.01
V
IN
100
= 5 V, I
V
0.1
IN
LOAD CURRENT (mA)
LOAD CURRENT
LOAD
= 5 V, C
FREQUENCY (Hz)
= 10 mA, C
V
OUT
M20µs
T
IN
OUT
1k
1
, C
10.00%
= 1 μF
OUT
= 1 μF, I
OUT
10
= 1 μF
A CH1
10k
LOAD
100
= 1 mA to 200 mA
64.0mA
ADP151
3.3V
2.8V
1.2V
1.1V
100k
1k