Datasheet

Data Sheet ADP2114
Rev. B | Page 11 of 40
330
320
310
300
290
280
270
–50 –25
0
25 50
75
100
125
f
SW
(kHz)
TEMPERATURE (°C)
V
IN
= 2.75V
V
IN
= 5.5V
08143-020
Figure 20. Switching Frequency vs. Temperature, f
SW
= 300 kHz
660
640
620
600
580
560
540
–50 –25 0
25 50 75
100 125
f
SW
(kHz)
TEMPERATURE (°C)
V
IN
= 2.75V
V
IN
= 5.5V
08143-021
Figure 21. Switching Frequency vs. Temperature, f
SW
= 600 kHz
1300
1100
1120
1140
1160
1180
1200
1220
1240
1260
1280
2.5 5.55.04.5
4.03.53.0
f
SW
(kHz)
V
IN
(V)
08143-022
Figure 22. Switching Frequency vs. Input Voltage, f
SW
= 1.2 MHz
2.0
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
–50 –25 0 25 50 75 100 125
ENABLE/DISABLE THRESHOLD (V)
TEMPERATURE (°C)
ENABLE; V
IN
= 5.5V
ENABLE; V
IN
= 2.75V
DISABLE; V
IN
= 5.5V
DISABLE; V
IN
= 2.75V
08143-023
Figure 23. Enable/Disable Threshold vs. Temperature
2.8
2.7
2.6
2.5
2.4
2.3
–50 –25 0
25 50 75
100 125
UVLO THRESHOLD (V)
TEMPERATURE (°C)
V
DD
RISING
V
DD
FALLING
08143-024
Figure 24. UVLO Threshold vs. Temperature
1300
1100
1120
1140
1160
1180
1200
1220
1240
1260
1280
–50 –25 0 25 50 75
100 125
f
SW
(kHz)
TEMPERATURE (°C)
V
IN
= 2.75 V
V
IN
= 5.5 V
08143-025
Figure 25. Switching Frequency vs. Temperature, f
SW
= 1.2 MHz