Datasheet

Data Sheet ADP5040
Rev. 0 | Page 11 of 40
100
0
0.0001 0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
V
IN
= 2.4V
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
09665-021
Figure 21. Buck Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 1.8 V, Auto Mode
100
0
0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
V
IN
= 2.4V
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
09665-022
Figure 22. Buck Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 1.8 V, PWM Mode
100
0
0.0001 0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
V
IN
= 2.4V
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
09665-023
Figure 23. Buck Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 1.2 V, Auto Mode
100
0
0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
V
IN
= 2.4V
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
09665-024
Figure 24. Buck Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 1.2 V, PWM Mode
100
0
0.0001 0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
–40°C
+25°C
+85°C
09665-025
Figure 25. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, V
OUT1
= 3.3 V, Auto Mode
100
0
0.001 0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
10
20
30
40
50
60
70
80
90
–40°C
+25°C
+85°C
09665-026
Figure 26. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, V
OUT1
= 3.3 V, PWM Mode