Datasheet

ADP5022
Rev. C | Page 14 of 28
08253-019
2
T
1
CH1 100mV M 40.0µs A CH2 52.0mA
T 19.20%
B
W
CH2 100mA Ω
B
W
VOUT
I
OUT
Figure 40. LDO Response to Load Transient, I
OUT3
from 1 mA to 80 mA,
VOUT3 = 2.8 V
08253-014
2
3
T
1
CH1 20.0mV
CH3 1.00V
M 100µs A CH3 4.80V
T 28.40%
B
W
B
W
VOUT
VIN
Figure 41. LDO Response to Line Transient, Input Voltage from 4.5 V to 5.5 V,
VOUT3 = 2.8 V
60
55
50
45
40
35
30
25
0.001 0.01 0.1 1 10 100
I
LOAD
(mA)
RMS NOISE (µV)
08253-047
3.3VIN
5VIN
Figure 42. LDO Output Noise vs. Load Current, Across Input Voltage,
VOUT3 = 2.8 V
60
65
55
50
45
40
35
30
25
0.001 0.01 0.1 1 10 100
I
LOAD
(mA)
RMS NOISE (µV)
08253-048
5VIN
3.3VIN
Figure 43. LDO Output Noise vs. Load Current, Across Input Voltage,
VOUT3 = 3.0 V
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
PSRR (dB)
08253-050
100µA
1mA
10mA
50mA
100mA
150mA
Figure 44. LDO PSRR Across Output Load, VIN3 = 3.3 V, VOUT3 = 2.8 V
0
–20
–40
–60
–80
–100
–120
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
PSRR (dB)
08253-051
100µA
1mA
10mA
50mA
100mA
150mA
Figure 45. LDO PSRR Across Output Load, VIN3 = 3.3 V, VOUT3 = 3.0 V