ADP5040 Analog Devices, ADP5040 Datasheet - Page 23

• Manufacturer Part Number: ADP5040
• Description: Micro PMU with 1.2 A Buck Regulator and Two 300 mA LDOs
• Manufacturer: Analog Devices

Data Sheet
–100
0.01
0.01
100
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.1
1.0
10
0.1
10
1
10
10
1
Figure 93. LDO2 Noise Spectrum Across Output Voltage,
1mA
10mA
100mA
200mA
300mA
V
V
V
OUT3
OUT2
OUT3
Figure 95. LDO2 PSRR Across Output Load,
Figure 94. LDO1 vs. LDO2 Noise Spectrum
100
100
10
= 1.5V, V
= 2.8V, V
= 2.8V, V
V
IN3
100
IN3
IN2
IN3
1k
1k
V
V
V
V
V
V
V
OUT3
OUT3
OUT3
= 3.3 V, V
FREQUENCY (Hz)
OUT2
OUT3
OUT2
FREQUENCY (Hz)
FREQUENCY (Hz)
IN
= 1.8V, I
= 3.1V, I
= 3.1V, I
= V
= 3.3V, V
= 1.5V, V
= 2.8V, V
= 3.3V, V
= 3.3V, V
= 1.5V, V
OUT
1k
10k
10k
LOAD
LOAD
LOAD
OUT3
+ 0.3 V
IN3
IN3
IN3
= 300mA
= 300mA
= 300mA
= 2.8 V
IN2
IN3
IN2
= 3.6V, I
= 1.8V, I
= 3.1V, I
10k
= 3.6V, I
= 3.6V, I
= 1.8V, I
100k
100k
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
100k
1M
1M
= 300mA
= 300mA
= 300mA
= 300mA
= 300mA
= 300mA
10M
10M
1M
Rev. 0 | Page 23 of 40
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
10
10
1mA
10mA
100mA
200mA
1mA
10mA
100mA
200mA
300mA
1mA
10mA
100mA
200mA
300mA
Figure 96. LDO2 PSRR Across Output Load,
Figure 97. LDO2 PSRR Across Output Load,
Figure 98. LDO2 PSRR Across Output Load,
100
100
100
V
V
V
IN3
IN3
IN3
1k
1k
1k
= 3.1 V, V
= 5.0 V, V
= 3.6 V, V
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
OUT3
OUT3
OUT3
= 2.8 V
= 3.3 V
= 3.3 V
100k
100k
100k
1M
1M
1M
ADP5040
10M
10M
10M