Datasheet

Data Sheet ADP1752/ADP1753
Rev. F | Page 9 of 20
CH1 500mV
B
W
CH2 2.0mV
B
W
M10µs A CH4 800mA
1
2
T 9.40%
T
V
IN
3V TO 3.5V INPUT VOLTAGE STEP, 2V/µs
V
OUT
2mV/DIV
V
OUT
= 1.5V
C
IN
= C
OUT
= 4.7µF
07718-117
Figure 17. Line Transient Response, Load Current = 800 mA
70
60
50
40
30
20
10
0
0.0001 0.001 0.01 0.1 1
NOISE (µV rms)
LOAD CURRENT (A)
0.75V
1.5V
2.5V
07718-118
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)
0.75V
1.5V
2.5V
07718-119
Figure 19. Noise Spectral Density vs. Output Voltage, I
LOAD
= 10 mA
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
800mA
400mA
100mA
10mA
07718-120
Figure 20. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 0.75 V, V
IN
= 1.75 V
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
LOAD = 800mA
LOAD = 400mA
LOAD = 100mA
LOAD = 10mA
07718-121
Figure 21. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 1.5 V, V
IN
= 2.5 V
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
LOAD = 800mA
LOAD = 400mA
LOAD = 100mA
LOAD = 10mA
07718-122
Figure 22. Power Supply Rejection Ratio vs. Frequency,
V
OUT
= 2.5 V, V
IN
= 3.5 V