Datasheet

Data Sheet ADP2118
Rev. C | Page 9 of 24
1000
1050
1100
1
150
1200
1250
1300
1350
2.3
2.7
3.1
3.5 3.9 4.3 4.7 5.1 5.5
SWITCHING FREQUENCY (kHz)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
V
IN
(V)
08301-026
Figure 16. Switching Frequency vs. V
IN
at 1.2 MHz
1.00
1.02
1.04
1.06
1.08
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
1.28
1.30
–40
–20 0 20
40
60
80 100
120
ENABLE THRESHOLD (V)
TEMPERATURE (°C)
RISING
FALLING
08301-027
Figure 17. EN Threshold vs. Temperature
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
–40
–20
0
20 40
60
80 100
120
PEAK CURRENT LIMIT (A)
TEMPERATURE (°C)
08301-028
Figure 18. Peak Current Limit vs. Temperature (V
IN
= 3.3 V)
500
520
540
560
580
600
620
640
660
2.3
2.7
3.1
3.5
3.9 4.3 4.7
5.1 5.5
SWITCHING FREQUENCY (kHz)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
V
IN
(V)
08301-029
Figure 19. Switching Frequency vs. V
IN
at 600 kHz
–40 –20 0 20
40
60 80 100
120
TEMPERA
TURE (°C)
2.06
2.08
2.10
2.12
2.14
2.16
2.18
2.20
2.22
UVLO THRESHOLD (V)
RISING
08301-030
FALLING
Figure 20. UVLO Threshold vs. Temperature (V
IN
= 3.3 V)
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
2.3
2.7
3.1 3.5 3.9 4.3 4.7
5.1 5.5
PEAK CURRENT LIMIT (A)
V
IN
(V)
08301-031
Figure 21. Peak Current Limit vs. V
IN
(T
J
= 25°C)