Datasheet

Data Sheet ADP1754/ADP1755
Rev. F | Page 9 of 20
1
2
T
CH1 500mV
B
W
CH2 5mV
B
W
M10µs A CH4 800mV
T 9.60%
V
IN
3V TO 3.5V INPUT VOLTAGE STEP, 2V/µs
V
OUT
5mV/DIV
V
OUT
= 1.5V
C
IN
= C
OUT
= 4.7µF
07722-017
Figure 17. Line Transient Response, Load Current = 1200 mA
70
0
10
20
30
40
50
60
0.0001 0.001 0.01
0.1 1 10
NOISE (µV rms)
LOAD CURRENT (A)
0.75V
1.5V
2.5V
07722-018
Figure 18. Noise vs. Load Current and Output Voltage
10
1
0.1
0.01
10 100
1k 10k 100k
NOISE SPECTRAL DENSITY (µV/ Hz)
FREQUENCY (Hz)
07081-019
0.75V
1.5V
2.5V
Figure 19. Noise Spectral Density vs. Output Voltage, I
LOAD
= 10 mA
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10
100
1k 10k
100k
1M 10M
PSRR (dB)
FREQUENCY (Hz)
1.2A
800mA
400mA
100mA
10mA
07722-020
Figure 20. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 0.75 V, V
IN
= 1.75 V
10 100 1k 10k
100k 1M
10M
PSRR (dB)
FREQUENCY (Hz)
1.2A
800mA
400mA
100mA
10mA
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
07722-121
Figure 21. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 1.5 V, V
IN
= 2.5 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 1k
10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
1.2A
800mA
400mA
100mA
10mA
07722-122
Figure 22. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 2.5 V, V
IN
= 3.5 V