Datasheet

ADP160/ADP161/ADP162/ADP163 Data Sheet
Rev. H | Page 10 of 24
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 10M1M100k10k1k
PSRR (dB)
FREQUENCY (Hz)
LOAD = 150mA
LOAD = 100mA
LOAD = 10mA
LOAD = 1mA
LOAD = 100µA
08628-019
Figure 19. Power Supply Rejection Ratio vs. Frequency, V
OUT
= 3.3 V, V
IN
= 4.3 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 10M1M100k10k1k
PSRR (dB)
FREQUENCY (Hz)
LOAD = 3.3V/150mA
LOAD = 2.5V/150mA
LOAD = 1.2V/150mA
LOAD = 3.3V/1mA
LOAD = 2.5V/1mA
LOAD = 1.2V/1mA
08628-020
Figure 20. Power Supply Rejection Ratio vs. Frequency
Various Output Voltages and Load Currents, V
IN
− V
OUT
= 1 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 10M
1M100k10k1k
PSRR (dB)
FREQUENCY (Hz)
LOAD = 150mA
LOAD = 100mA
LOAD = 10mA
LOAD = 1mA
LOAD = 100µA
08628-051
Figure 21. Power Supply Rejection Ratio vs. Frequency
Various Output Voltages and Load Currents, V
OUT
= 2.5 V, V
IN
= 3.0 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 10M1M100k10k1k
PSRR (dB)
FREQUENCY (Hz)
LOAD = 150mA
LOAD = 100mA
LOAD = 10mA
LOAD = 1mA
LOAD = 100µA
08628-052
Figure 22. Power Supply Rejection Ratio vs. Frequency
Various Output Voltages and Load Currents, V
OUT
= 3.3 V, V
IN
= 3.8 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 10M1M100k10k1k
PSRR (dB)
FREQUENCY (Hz)
LOAD = 150mA
LOAD = 100mA
LOAD = 10mA
LOAD = 1mA
LOAD = 100µA
08628-021
Figure 23. Adjustable ADP161 Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 3.3 V, V
IN
= 4.3 V
1k
1
10
100
0.001 0.01 1000
1001010.1
NOISE (µV rms)
LOAD CURRENT (mA)
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.2V
ADJ 3.3V
08628-022
Figure 24. Output Noise vs. Load Current and Output Voltage,
V
IN
= 5 V, C
OUT
= 1 µF