ADP5043 Analog Devices, ADP5043 Datasheet - Page 11

• Manufacturer Part Number: ADP5043
• Description: Micro-PMU with 0.8 A Buck, 300 mA LDO, Supervisory, Watchdog, and Manual Reset
• Manufacturer: Analog Devices

Data Sheet
Figure 15. Buck Efficiency vs. Load Current, Across Temperature, V
Figure 16. Buck Efficiency vs. Load Current, Across Temperature, V
Figure 17. Buck DC Current Capability vs. Input Voltage, V
100
100
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.0001
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.0001
0
0
2.6
–40°C
+25°C
+85°C
–40°C
+25°C
+85°C
0.001
0.001
3.6
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
INPUT VOLTAGE (V)
Auto Mode
Auto Mode
0.01
0.01
4.6
0.1
0.1
5.6
OUT1
OUT1
OUT1
= 1.8 V
1
1
= 3.3 V,
= 1.8 V,
Rev. A | Page 11 of 32
Figure 19. Typical Waveforms, V
Figure 20. Typical Waveforms, V
3.10
3.05
3.00
2.95
2.90
2.85
Figure 18. Buck Switching Frequency vs. Output Current, Across
1
2
3
2
3
1
CH1
CH2
CH3
CH1
CH2
CH3
0
VOUTx
I
SW
SW
20.0mV/DIV
200mA/DIV 1MΩ
2.0V/DIV
2.0V/DIV 1MΩ
50.0mV/DIV
500mA/DIV
0.1
VOUT
I
SW
SW
Temperature, V
0.2
1MΩ
OUTPUT CURRENT (A)
B
B
B
B
B
B
W
W
W
0.3
W
W
W
20.0M
20.0M
20.0M
20.0M
20.0M
20.0M
–40°C
+25°C
+85°C
OUT1
OUT1
OUT1
= 1.8 V, PWM Mode
0.4
= 3.3 V, I
= 1.8 V, I
A CH1
A CH1
0.5
OUT1
OUT1
1.56mV
2.4mV
= 30 mA, Auto Mode
= 30 mA, Auto Mode
0.6
5.0µs/DIV
20.0MS/s
50.0ns/pt
5.0µs/DIV
200MS/s
5.0ns/pt
ADP5043
0.7
0.8