Datasheet

ADP2147
Rev. 0 | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 3.6 V, T
A
= 25°C, V
EN
= V
IN
, unless otherwise noted.
100
90
80
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09885-003
Figure 3. Efficiency vs. Load Current, Across Input Voltage,
V
OUT
= 1.8 V
100
90
80
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09885-005
Figure 4. Efficiency vs. Load Current, Across Input Voltage,
V
OUT
= 0.8 V
100
90
80
70
60
50
40
30
20
10
0
0.001 0.01 0.1 1
I
OUT
(A)
EFFICIENCY (%)
V
IN
= 3.9V
V
IN
= 4.2V
V
IN
= 5.5V
09885-007
Figure 5. Efficiency vs. Load Current, Across Input Voltage,
V
OUT
= 3.3 V
1.825
1.775
1.785
1.795
1.805
1.815
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
I
OUT
(A)
V
OUT
(V)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09885-006
Figure 6. Load Regulation Across Input Voltage, V
OUT
= 1.8 V
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
I
OUT
(A)
V
OUT
(V)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09885-008
Figure 7. Load Regulation Across Input Voltage, V
OUT
= 0.8 V
3.378
3.338
3.358
3.318
3.298
3.278
3.258
3.238
3.218
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
I
OUT
(A)
V
OUT
(V)
V
IN
= 3.9V
V
IN
= 4.2V
V
IN
= 5.5V
09885-009
Figure 8. Load Regulation Across Input Voltage, V
OUT
= 3.3 V