Datasheet

Data Sheet ADP2138/ADP2139
Rev. C | Page 7 of 20
1.825
1.815
1.805
1.795
1.785
1.775
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
I
OUT
(A)
V
OUT
A (V)
09496-009
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
Figure 9. Load Regulation Across Input Voltage, V
OUT
= 1.8 V, PWM Mode
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
A (V)
09496-010
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
Figure 10. Load Regulation Across Input Voltage, V
OUT
= 0.8 V, PWM Mode
3.378
3.358
3.318
3.338
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
A (V)
09496-011
V
IN
= 3.9V
V
IN
= 4.2V
V
IN
= 5.5V
Figure 11. Load Regulation Across Input Voltage, V
OUT
= 3.3 V, PWM Mode
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
I
OUT
(A)
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
FREQUENCY (MHz)
09496-012
–40°C
+25°C
+85°C
+125°C
Figure 12. Frequency vs. Output Current, Across Temperature,
V
OUT
= 1.8 V, PWM Mode
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
I
OUT
(A)
09496-013
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
FREQUENCY (MHz)
Figure 13. Frequency vs. Output Current, Across Supply Voltage,
V
OUT
= 1.8 V
2.3 2.8 3.3 3.8 4.3 4.8 5.3
INPUT VOLTAGE (V)
90
80
70
60
50
40
30
20
10
0
OUTPUT VOLTAGE (mV)
09496-034
I
OUT
= 100µA
I
OUT
= 25mA
I
OUT
= 500mA
Figure 14. Output Voltage Ripple vs. Input Voltage,
Across Output Current, V
OUT
= 1.8 V