ADP5023 Analog Devices, ADP5023 Datasheet - Page 14

• Manufacturer Part Number: ADP5023
• Description: Dual 3 MHz, 800 mA Buck Regulator with One 300 mA LDO
• Manufacturer: Analog Devices

ADP5023
Figure 39. LDO Output Noise vs. Load Current, Across Input Voltage,
Figure 40. LDO Output Noise vs. Load Current, Across Input Voltage,
–100
Figure 41. LDO PSRR Across Output Load, V
–10
–20
–30
–40
–50
–60
–70
–80
–90
60
55
50
45
40
35
30
25
65
60
55
50
45
40
35
30
25
0.001
0.001
0
10
100µA
1mA
10mA
50mA
100mA
150mA
0.01
0.01
100
0.1
0.1
1k
V
V
FREQUENCY (Hz)
V
V
IN
IN
V
IN
V
IN
OUT3
OUT3
= 5V
I
= 5V
I
= 3.3V
OUT
OUT
= 3.3V
= 2.8 V
= 3.0 V
10k
(mA)
(mA)
1
1
100k
10
10
IN3
= 3.3 V, V
1M
100
100
OUT3
= 2.8 V
10M
Rev. A | Page 14 of 28
–100
–120
Figure 42. LDO PSRR Across Output Load, V
–100
–120
Figure 43. LDO PSRR Across Output Load, V
–100
Figure 44. LDO PSRR Across Output Load, V
–20
–40
–60
–80
–20
–40
–60
–80
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
10
10
10
100µA
1mA
10mA
50mA
100mA
150mA
100
100
100
100µA
1mA
10mA
50mA
100mA
150mA
1k
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
100k
100k
100k
100µA
1mA
10mA
50mA
100mA
150mA
IN3
IN3
IN3
= 3.3 V, V
= 5.0 V, V
= 5.0 V, V
Data Sheet
1M
1M
1M
OUT3
OUT3
OUT3
= 2.8 V
= 3.0 V
= 3.0 V
10M
10M
10M