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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ADP5042
VOUT
2
I
SW
3
SW
1
2.0V/DIV 1MΩ
B
CH1
20.0M
A CH1
W
B
CH2
50.0mV/DIV
20.0M
W
B
CH3
500mA/DIV
20.0M
W
Figure 21. Typical Waveforms, VOUT1 = 1.8 V, IOUT2 = 30 mA, Auto Mode
VOUT
2
I
SW
3
SW
1
2.0V/DIV 1MΩ
B
CH1
20.0M
A CH1
W
B
CH2
50.0mV/DIV
20.0M
W
B
CH3
500mA/DIV
20.0M
W
Figure 22. Typical Waveforms, VOUT1 = 1.8 V, IOUT1 = 30 mA, PWM Mode
VOUT
1
I
SW
2
SW
3
B
CH1
20.0mV/DIV
20.0M
A CH1
W
200mA/DIV 1MΩ
B
CH2
20.0M
W
2.0V/DIV
1MΩ
B
CH3
20.0M
W
Figure 23. Typical Waveforms, VOUT1 = 3.3 V, IOUT2 = 30 mA, PWM Mode
2
1
3
1.56mV
5.0µs/DIV
200MS/s
5.0ns/pt
Figure 24. Buck Response to Line Transient, Input Voltage from 4.5 V to 5.0 V,
2
3
4
1.56mV
500ns/DIV
200MS/s
5.0ns/pt
Figure 25. Buck Response to Line Transient, V
1
2
3
2.4mV
200ns/DIV
500MS/s
2.0ns/pt
Figure 26. Buck Response to Load Transient, IOUT1 from 1 mA to 50 mA,
Rev. A | Page 12 of 32
Data Sheet
VIN
VOUT
SW
B
CH1
3V/DIV
20.0M
A CH3
4.79V
W
B
CH2
50mV/DIV
20.0M
W
900mV/DIV 1MΩ
B
CH3
20.0M
W
VOUT1 = 3.3 V, PWM Mode
VIN
VOUT
SW
B
CH2
50mV/DIV
20.0M
A CH3
4.96mV
W
B
CH3
1V/DIV
1MΩ
20.0M
W
B
CH4
2V/DIV
1MΩ
20.0M
W
= 4.5 V to 5.0 V, VOUT1 = 1.8 V,
IN
PWM Mode
SW
VOUT
IOUT
B
CH1
4V/DIV
20.0M
A CH3
44mA
W
B
CH2
50mV/DIV 1MΩ
20.0M
W
B
CH3
50mA/DIV 1MΩ
20.0M
W
VOUT1 = 3.3 V, Auto Mode
100µs/DIV
10.0MS/s
100ns/pt
100µs/DIV
20MS/s
100ns/pt
200µs/DIV
10MS/s
100ns/pt