ISL21080
Typical Performance Characteristics Curves
V OUT = 1.5V, V IN = 3.0V, I OUT = 0mA,
T A = +25°C unless otherwise specified.
1.50020
1.50015
1.50010
150
125
100
75
1.50005
1.50000
1.49995
1.49990
1.49985
UNIT 2
UNIT 1
UNIT 3
50
25
0
-25
-50
-75
-100
-125
+25°C
-40°C
+85°C
1.49980
2.7
3.1
3.5
3.9 4.3
V IN (V)
4.7
5.1
5.5
-150
2.7
3.1
3.5
3.9 4.3
V IN (V)
4.7
5.1
5.5
FIGURE 16. LINE REGULATION, 3 UNITS
1.5005
1.5004
1.5003
FIGURE 17. LINE REGULATION OVER-TEMPERATURE
C L = 500pF
1.5002
1.5001
1.5000
1.4999
1.4998
1.4997
1.4996
1.4995
-40 -30 -20 -10 0
UNIT 2
UNIT 1
UNIT 3
10 20 30 40 50 60 70 80
V IN (V)
Δ V IN = -0.3V
1ms/DIV
Δ V IN = 0.3V
FIGURE 18. V OUT vs TEMPERATURE NORMALIZED to
+25°C
C L = 0pF
FIGURE 19. LINE TRANSIENT RESPONSE, WITH
CAPACITIVE LOAD
900
700
Δ V IN = 0.3V
500
300
+25°C
Δ V IN = -0.3V
100
0
-100
-300
-40°C
+85°C
-500
-7 -6 -5 -4 -3 -2 -1 0
1
2
3
4
5
6
7
1ms/DIV
SINKING
OUTPUT CURRENT
SOURCING
FIGURE 20. LINE TRANSIENT RESPONSE
11
FIGURE 21. LOAD REGULATION OVER-TEMPERATURE
FN6934.4
May 25, 2010
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