ADP5043 Analog Devices, ADP5043 Datasheet - Page 15

• Manufacturer Part Number: ADP5043
• Description: Micro-PMU with 0.8 A Buck, 300 mA LDO, Supervisory, Watchdog, and Manual Reset
• Manufacturer: Analog Devices

Data Sheet
Figure 39. LDO Output Noise Spectrum, Across Input and Output Voltage
Figure 40. LDO PSRR Across Output Load, V
0.01
–100
100
0.1
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
1
1
10
1mA
10mA
100mA
200mA
300mA
100
10
100
1k
V
V
V
FREQUENCY (Hz)
OUT2
OUT2
OUT2
FREQUENCY (Hz)
= 3.3V, V
= 1.5V, V
= 2.8V, V
1k
10k
IN2
IN2
IN2
= 3.6V, I
= 1.8V, I
= 3.1V, I
10k
100k
IN2
= 3.3 V, V
LOAD
LOAD
LOAD
100k
1M
= 300mA
= 300mA
= 300mA
OUT2
= 2.8 V
10M
1M
Rev. A | Page 15 of 32
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 41. LDO PSRR vs. Frequency, V
Figure 42. LDO PSRR vs. Frequency, V
10
10
1mA
10mA
100mA
200mA
1mA
10mA
100mA
200mA
300mA
100
100
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
IN2
IN2
100k
100k
= 3.1 V, V
= 5 V, V
OUT2
1M
OUT2
1M
ADP5043
= 3.3 V
= 2.8 V
10M
10M