Datasheet

ADP5034 Data Sheet
Rev. E | Page 10 of 28
100
90
80
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1
EFFICIENCY (%)
I
LOAD
(A)
09703-104
V
IN
= 3.9V
V
IN
= 4.2V
V
IN
= 5.5V
Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 3.3 V, Auto Mode
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01 0.1
1
EFFICIENCY (%)
I
OUT
(A)
V
IN
= 4.2V
V
IN
= 5.5V
V
IN
= 3.9V
09703-018
Figure 11. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 3.3 V, PWM Mode
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
EFFICIENCY (%)
I
OUT
(A)
V
IN
= 2.3V
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
09703-020
Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
V
OUT2
= 1.8 V, Auto Mode
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
EFFICIENCY (%)
I
OUT
(A)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09703-016
Figure 13. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
V
OUT2
= 1.8 V, PWM Mode
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
EFFICIENCY(%)
I
OUT
(A)
V
IN
= 2.3V
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
09703-015
Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 0.8 V, Auto Mode
0
10
20
30
40
50
60
70
80
90
100
0.001 0.01 0.1 1
EFFICIENCY (%)
I
OUT
(A)
V
IN
= 2.3V
V
IN
= 4.2V
V
IN
= 5.5V
V
IN
= 3.6V
09703-017
Figure 15. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
V
OUT1
= 0.8 V, PWM Mode