ISL21090
Typical Performance Curves (ISL21090-2.5)
1000
980
1300
1200
960
940
UNIT 1
UNIT 3
1100
1000
900
+25°C
+125°C
920
800
900
880
UNIT 2
700
600
-40°C
4
9
14
19
24
29
34
39
4
9
14
19
24
29
34
39
2.500390
V IN (V)
FIGURE 18. I IN vs V IN , THREE UNITS
2.500200
V IN (V)
FIGURE 19. I IN vs V IN , THREE TEMPERATURES
2.500290
2.500190
2.500090
UNIT 1
2.500000
2.499800
2.499600
+25°C
+125°C
2.499990
2.499890
UNIT 2
UNIT 3
2.499400
2.499200
-40°C
2.499790
2.499000
2.499690
3
6
9
12
15
18
21
24
27
30
33
36
39
2.498800
4
9
14
19
24
29
34
39
30
20
10
V IN (V)
FIGURE 20. LINE REGULATION, THREE UNITS
V IN (V)
FIGURE 21. LINE REGULATION, THREE TEMPERATURES
30
20
10
0
-10
-20
C L = 1nF
0
-10
-20
C L = 100nF
-30
0
10
20
30
40
50 60
70
80
90
100
-30
0
10
20
30
40
50
60
70
80
90
100
TIME (μs)
FIGURE 22. LINE TRANSIENT WITH 1nF LOAD ( Δ V IN = ±500mV)
9
TIME (μs)
FIGURE 23. LINE TRANSIENT WITH 100nF LOAD ( Δ V IN = ±500mV)
FN6993.5
February 27, 2013
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