ADP5042 Analog Devices, ADP5042 Datasheet - Page 15

• Manufacturer Part Number: ADP5042
• Description: Micro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
• Manufacturer: Analog Devices

Data Sheet
Figure 40. LDO2 Response to Load Transient, IOUT3 from 1 mA to 80 mA,
Figure 41. LDO1 Response to Load Transient, IOUT3 from 1 mA to 80 mA,
Figure 39. LDO2 Ground Current vs. Input Voltage, Across Output Load,
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
3
1
3
1
0
2.3
CH1
CH3
CH1
CH3
VOUT
IOUT
VOUT
IOUT
50mV/DIV 1MΩ
50mA/DIV 1MΩ
50mV/DIV 1MΩ
50mA/DIV 1MΩ
1µA
100µA
1mA
10mA
100mA
150mA
2.8
3.3
B
B
B
B
INPUT VOLTAGE (V)
W
W
VOUT3 = 2.8 V
W
VOUT3 = 3.3 V
W
VOUT2 = 1.5 V
500M
500M
20.0M
20.0M
3.8
A CH3
A CH3
4.3
50mA
28mA
4.8
200µs/DIV
500kS/s
2.0µs/pt
200µs/DIV
500kS/s
2.0µs/pt
5.3
5.8
Rev. A | Page 15 of 32
Figure 42. LDO2 Response to Line Transient, Input Voltage from 4.5 V to 5.5 V,
Figure 44. LDO1, LDO2 Output Current Capability vs. Input Voltage
Figure 43. LDO1 Line Transient VIN = 4.5 V to 5.5 V, VOUT2 = 1.5 V
3.0
2.5
2.0
1.5
1.0
0.5
0
0
2
1
2
2
2
1
2
CH1 10.0mV/DIV
CH2
VIN
VOUT
CH1 10.0mV/Div
CH2
VIN
VOUT
0.1
800mV/DIV
800mV/Div
0.2
1MΩ
LOAD CURRENT (A)
1MΩ
0.3
B
B
VOUT3 = 3.3 V
W
W
B
B
W
W
20.0M
20.0M
0.4
20.0M
20.0M
0.5
0.6
A CH2
A CH2
0.7
ADP5042
5.5V
4.5V
3.6V
5.33V
0.8
5.33V