Datasheet

Data Sheet ADP5037
Rev. D | Page 9 of 28
100
90
80
70
60
50
40
30
20
10
0
1 10 100 1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 3.9V
V
IN
= 4.2V
V
IN
= 5.5V
09887-103
Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 3.3 V, Auto Mode
100
90
80
70
60
50
40
30
20
10
0
1
10 100 1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09887-104
Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 3.3 V, PWM Mode
100
90
80
70
60
50
40
30
20
10
0
1 10 100
1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09887-105
Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
V
OUT2
= 1.8 V, Auto Mode
100
90
80
70
60
50
40
30
20
10
0
1 10 100
1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09887-106
Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
V
OUT2
= 1.8 V, PWM Mode
100
90
80
70
60
50
40
30
20
10
0
1 10
100 1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09887-107
Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 0.8 V, Auto Mode
100
90
80
70
60
50
40
30
20
10
0
1 10 100
1000
EFFICIENCY (%)
I
LOAD
(mA)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09887-108
Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 0.8 V, PWM Mode