ADP5022 Analog Devices, ADP5022 Datasheet - Page 14

• Manufacturer Part Number: ADP5022
• Description: Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO
• Manufacturer: Analog Devices

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