ADP5040 Analog Devices, ADP5040 Datasheet - Page 10

• Manufacturer Part Number: ADP5040
• Description: Micro PMU with 1.2 A Buck Regulator and Two 300 mA LDOs
• Manufacturer: Analog Devices

ADP5040
Figure 17. Buck Efficiency vs. Load Current, Across Input Voltage,
1.820
1.815
1.810
1.805
1.800
1.795
1.790
1.785
1.780
1.205
1.200
1.195
1.190
1.185
1.180
100
90
80
70
60
50
40
30
20
10
0.0001
0
0.01
0.01
Figure 15. Buck Load Regulation Across Temperature,
Figure 16. Buck Load Regulation Across Temperature,
V
IN
= 4.5V
0.001
V
V
V
OUT1
OUT1
OUT1
V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
IN
= 1.8 V, PWM Mode
= 1.2 V, PWM Mode
= 3.8 V, Auto Mode
= 5.5V
0.1
0.1
0.01
0.1
1
1
–40°C
+25°C
+85°C
–40°C
+25°C
+85°C
1
Rev. 0 | Page 10 of 40
Figure 18. Buck Efficiency vs. Load Current, Across Input Voltage,
Figure 19. Buck Efficiency vs. Load Current, Across Input Voltage,
Figure 20. Buck Efficiency vs. Load Current, Across Input Voltage,
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.0001
90
80
70
60
50
40
30
20
10
0.001
0.001
0
0
0
V
IN
V
= 3.6V
IN
0.001
= 4.5V
V
V
V
OUT1
OUT1
0.01
OUT1
0.01
V
V
IN
V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
IN
= 3.6
= 3.8 V, PWM Mode
IN
= 3.3 V, PWM Mode
= 3.3 V, Auto Mode
= 4.5V
= 5.5V
0.01
V
V
IN
IN
= 5.5V
= 5.5
0.1
0.1
V
IN
0.1
= 4.5
Data Sheet
1
1
1