Datasheet

ADP2442 Data Sheet
Rev. 0 | Page 10 of 36
Figure 22. Shutdown Current vs. Temperature
Figure 23. UVLO Threshold vs. Temperature
Figure 24. Supply Current vs. Temperature
Figure 25. Enable Threshold vs. Temperature
Figure 26. PGOOD Threshold vs. Temperature
Figure 27. Switching Frequency vs. Supply
0
2
4
8
6
10
12
–50 0 50 100 150
SHUTDOWN CURENT (µA)
TEMPERATURE (°C)
V
IN
= 36V
V
IN
= 4.5V
10667-017
UVLO THRESHOLD (V)
TEMPERATURE (°C)
3.9
4.0
4.1
4.2
4.3
4.4
4.5
–50 –25 0 25 50 75 100 125
UVLO, RISING V
IN
UVLO, FALLING V
IN
10667-018
0.05
0.25
0.45
0.65
0.85
1.05
1.25
1.45
1.65
1.85
2.05
2.25
–50 –30 –10 10 30 50 70 90 110 130 150
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
V
IN
= 36V
V
IN
= 24V
V
IN
= 12V
V
IN
= 4.5V
10667-016
1.04
1.06
1.08
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
–50 –30 –10 10 30 50 70 90 110 130 150
ENABLE VOLTAGE (V)
TEMPERATURE (°C)
ENABLE RISING THRESHOLD
ENABLE FALLING THRESHOLD
10667-019
60
70
80
90
100
110
120
130
–50 –30 –10 10 30 50 70 90 110 130 150
PGOOD THRESHOLD (%)
TEMPERATURE (°C)
P
GOOD
RISE, FB INCREASING
P
GOOD
FALL, FB INCREASING
P
GOOD
RISE, FB DECREASING
P
GOOD
FALL, FB DECREASING
10667-021
0
200
400
600
800
1000
1200
0 5 10 15 20 25 30 35 40
SWITCHING FREQUENCY (kHz)
V
IN
(V)
f
SW
= 300kHz
f
SW
= 1MHz
f
SW
= 700kHz
10667-022