ADP5042 Analog Devices, ADP5042 Datasheet - Page 12

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

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