Datasheet

Data Sheet ADP5041
Rev. 0 | Page 13 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
–40°C
+25°C
+85°C
09652-027
Figure 27. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, 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
–40°C
+25°C
+85°C
09652-028
Figure 28. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, 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
–40°C
+25°C
+85°C
09652-029
Figure 29. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, 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
–40°C
+25°C
+85°C
09652-030
Figure 30. Buck Efficiency vs. Load Current, Across Temperature,
V
IN
= 5.0 V, V
OUT1
= 1.2 V, PWM Mode
2.5
2.0
0.5
1.0
1.5
0
3.4 3.9 4.4 4.9
5.4
OUTPUT CURRENT (A)
V
IN
(V)
V
OUT
= 3.3V
09652-031
Figure 31. Buck DC Current Capability vs. Input Voltage
2.0
1.8
0.2
0.4
0.6
0.8
1.6
1.4
1.2
1.0
0
2.4 3.93.42.9 4.4 4.9 5.4
OUTPUT CURRENT (A)
V
IN
(V)
V
OUT
= 1.8V
09652-032
Figure 32. Buck DC Current Capability vs. Input Voltage