Datasheet

ADP2147
Rev. 0 | Page 7 of 16
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.6
2.7
2.5
0.10.20.30.40.50.60.7
I
OUT
(A)
FREQUENCY (MHz)
+25°C
+85°C
+125°C
–40°C
09885-010
Figure 9. Frequency vs. Output Current, Across Temperature,
V
OUT
= 1.8 V
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.6
2.7
2.5
0.10.20.30.40.50.60.7
I
OUT
(A)
FREQUENCY (MHz)
V
IN
= 2.3V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
09885-011
Figure 10. 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)
I
OUT
= 100µA
I
OUT
= 25mA
I
OUT
= 500mA
09885-034
Figure 11. Output Voltage Ripple vs. Input Voltage,
Across Output Current, V
OUT
= 1.8 V
2.3 2.8 3.3 3.8 4.3 4.8 5.3
INPUT VOLTAGE (V)
350
300
250
200
150
100
50
0
R
DSON
(mΩ)
–40°C
+25°C
+125°C
09885-036
Figure 12. R
DSON
PFET vs. Input Voltage, Across Temperature
2.3 2.8 3.3 3.8 4.3 4.8 5.3
INPUT VOLTAGE (V)
250
200
150
100
50
0
R
DSON
(mΩ)
–40°C
+25°C
+125°C
09885-037
Figure 13. R
DSON
NFET vs. Input Voltage, Across Temperature
T
4
4
1
1
2
M 40.0µs A CH2 215mA
T
2
6
.
0
0
%
CH1 100mV
CH4 5.00V
CH2 250mA Ω
SW
V
OUT
I
OUT
09885-014
Figure 14. Response to Load Transient, 150 mA to 500 mA,
V
OUT
= 1.8 V