ADP5042

Manufacturer Part NumberADP5042
DescriptionMicro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
ManufacturerAnalog Devices
ADP5042 datasheet
 


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