ADP5043 Analog Devices, ADP5043 Datasheet - Page 14

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

ADP5043
Figure 34. LDO Ground Current vs. Input Voltage, Across Output Load,
Figure 35. LDO Response to Load Transient, I
250
200
150
100
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
3
1
50
Figure 33. LDO Ground Current vs. Output Load, V
0
0
0
CH1
CH3
2.3
VOUT
IOUT
50mV/DIV 1MΩ
50mA/DIV 1MΩ
1µA
100µA
1mA
10mA
100mA
150mA
2.8
3.3
0.05
B
B
INPUT VOLTAGE (V)
W
W
V
V
500M
20.0M
OUT2
OUT2
3.8
LOAD (A)
= 2.8 V
= 3.3 V
A CH3
4.3
0.10
OUT2
28mA
4.8
from 1 mA to 80 mA,
200µs/DIV
500kS/s
2.0µs/pt
OUT2
5.3
= 2.8 V
0.15
5.8
Rev. A | Page 14 of 32
Figure 36. LDO Response to Line Transient, V
Figure 38. LDO Output Noise vs. Load Current, Across Input and Output Voltage
2
1
2
2
3.0
2.5
2.0
1.5
1.0
0.5
100
Figure 37. LDO Output Current Capability vs. Output Voltage
10
0.0001
0
CH1 10.0mV/DIV
CH2
VIN
VOUT
0
800mV/DIV
0.1
0.001
0.2
1MΩ
0.01
B
B
LOAD CURRENT (A)
W
0.3
W
20.0M
20.0M
0.1
LOAD (mA)
0.4
1
IN2
0.5
V
V
V
V
V
= 4.5 V to 5.5 V, V
OUT
OUT
OUT
OUT
OUT
10
= 3.3V; V
= 3.3V; V
= 2.8V; V
= 1.5V; V
= 1.5V; V
A CH2
0.6
Data Sheet
100
0.7
IN
IN
IN
IN
IN
5.33V
= 5V
= 3.6V
= 3.1V
= 5V
= 1.8V
5.5V
4.5V
3.6V
OUT2
0.8
1k
= 3.3 V