ADP5043 Analog Devices, ADP5043 Datasheet - Page 12

• 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 23. Buck Response to Line Transient, Input Voltage from 4.5 V to 5.0 V,
Figure 21. Typical Waveforms, V
Figure 22. Typical Waveforms, V
2
3
1
1
2
3
2
1
3
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
VOUTx
VOUTx
VOUTx
I
SW
VINx
I
SW
SW
SW
SW
2.0V/DIV 1MΩ
50.0mV/DIV
500mA/DIV
20.0mV/DIV
200mA/DIV 1MΩ
2.0V/DIV
3V/DIV
50mV/DIV
900mV/DIV 1MΩ
1MΩ
V
OUT1
B
B
B
B
W
W
W
B
B
B
B
B
W
= 3.3 V, PWM Mode
W
W
W
W
W
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
OUT1
OUT1
= 1.8 V, I
= 3.3 V, I
A CH1
A CH1
A CH3
OUT1
OUT1
1.56mV
2.4mV
4.79V
= 30 mA, PWM Mode
= 30 mA, PWM Mode
500ns/DIV
200MS/s
5.0ns/pt
200ns/DIV
500MS/s
2.0ns/pt
100µs/DIV
10.0MS/s
100ns/pt
Rev. A | Page 12 of 32
Figure 24. Buck Response to Line Transient, V
Figure 25. Buck Response to Load Transient, I
Figure 26. Buck Response to Load Transient, I
2
3
4
1
2
3
1
2
3
CH1
CH2
CH3
CH2
CH3
CH4
CH1
CH2
CH3
V
IOUT
VOUTx
LOAD
VINx
SW
SW
SW
OUT
50mV/DIV
1V/DIV
2V/DIV
4V/DIV
50mV/DIV 1MΩ
50mA/DIV 1MΩ
4V/DIV
50mV/DIV
50mA/DIV 1MΩ
VOUTx
VOUTx
1MΩ
1MΩ
V
V
OUT1
OUT1
B
B
B
B
B
B
B
B
B
W
W
W
W
W
W
W
W
W
= 3.3 V, Auto Mode
= 1.8 V, Auto Mode
PWM Mode
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
A CH3
A CH3
A CH3
IN
= 4.5 V to 5.0 V, V
OUT1
OUT2
4.96mV
28mA
44mA
from 1 mA to 50 mA,
from 1 mA to 50 mA,
Data Sheet
200µs/DIV
5MS/s
200ns/pt
100µs/DIV
20MS/s
100ns/pt
200µs/DIV
10MS/s
100ns/pt
OUT1
= 1.8 V,