Datasheet

Data Sheet ADP2503/ADP2504
Rev. C | Page 7 of 16
0.001
0.01
0.1 1
100
90
80
70
60
50
40
30
20
10
0
EFFICIENCY (%)
I
OUT
(A)
07475-105
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 2.3V
Figure 9. Efficiency vs. Output Current, PWM Mode (V
OUT
= 2.8 V)
0.001
0.01
0.1 1
100
90
80
70
60
50
40
30
20
10
0
EFFICIENCY (%)
I
OUT
(A)
07475-106
V
IN
= 5.5V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 2.3V
Figure 10. Efficiency vs. Output Current, PSM and PWM Mode (V
OUT
= 2.8 V)
100
90
80
70
60
50
40
30
20
10
0
2.3
2.8 3.3
EFFICIENCY (%)
3.8 4.3 4.8 5.3
V
IN
(V)
07475-107
I
OUT
= 500mA
I
OUT
= 100mA
I
OUT
= 10mA
Figure 11. Efficiency vs. Input Voltage (V
OUT
= 3.3 V)
3.35
3.33
3.31
3.29
3.27
3.25
0 0.1 0.2 0.3 0.4 0.5
I
OUT
(A)
V
OUT
(V)
0.6 0.7 0.8 0.9 1.0
07475-110
Figure 12. Load Regulation (V
IN
= 3.6 V, V
OUT
= 3.3 V)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.3
2.7 3.1 3.5
FREQUENCY (MHz)
3.9 4.3 4.7 5.1 5.5
V
IN
(V)
07475-112
–40°C
+25°C
+85°C
Figure 13. Frequency vs. Input Voltage Over Temperature (V
OUT
= 3.3 V)
50
45
40
35
30
25
20
15
10
5
0
2.3
2.7 3.1 3.5
QUIESCENT CURRENT (µA)
3.9 4.3 4.7 5.1 5.5
V
IN
(V)
07475-113
Figure 14. Quiescent Current vs. Input Voltage (V
OUT
= 3.3 V)