Datasheet

ADP5022
Rev. C | Page 9 of 28
1.834
1.824
1.814
1.804
1.794
1.784
1.774
1.764
0 0.1 0.2 0.3 0.4 0.6
I
OUT
(A)
V
OUT
B (V)
08253-057
0.5
T
A
= +25°C
T
A
= –40°C
T
A
= +85°C
Figure 10. Buck2 Load Regulation Across Temperature, VOUT2 = 1.8 V,
Auto Mode
1.834
1.824
1.814
1.804
1.794
1.784
1.774
1.764
0 0.1 0.2 0.3 0.4 0.60.5
I
OUT
(A)
V
OUT
B (V)
08253-054
V
IN
= 5.5V
V
IN
= 4.5V
V
IN
= 3.6V
V
IN
= 2.4V
Figure 11. Buck 2 Load Regulation Across Input Voltage, VOUT1 = 1.8 V,
PWM Mode
3.354
3.334
3.314
3.294
3.274
3.254
3.234
0 0.1 0.2 0.3 0.4 0.60.5
I
OUT
(A)
V
OUT
A (V)
08253-055
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
Figure 12. Buck1 Load Regulation Across Input Voltage, VOUT2 = 3.3 V,
PWM Mode
100
90
80
70
60
50
40
30
20
10
0
0.0001 0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
08253-038
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
Figure 13. Buck1 Efficiency vs. Load Current, Across Input Voltage,
VOUT1 = 3.3 V, Auto Mode
100
90
80
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
08253-039
V
IN
= 3.6V
V
IN
= 4.5V
V
IN
= 5.5V
Figure 14. Buck1 Efficiency vs. Load Current, Across Input Voltage,
VOUT1 = 3.3 V, PWM Mode
100
90
80
70
60
50
40
30
20
10
0
0.0001 0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
08253-036
V
IN
= 5.5V
V
IN
= 4.5V
V
IN
= 3.6V
V
IN
= 2.4V
Figure 15. Buck2 Efficiency vs. Load Current, Across Input Voltage,
VOUT2 = 1.8 V, Auto Mode