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TL431AC View Datasheet(PDF) - Microsemi Corporation

Part NameDescriptionManufacturer
TL431AC PROGRAMMABLE PRECISION REFERENCES Microsemi
Microsemi Corporation Microsemi
TL431AC Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Reference voltage vs Temperature
2.54
2.52
2.50
V =V
KA
REF
I = 10 mA
K
2.48
2.46
2.44
-40 -20
0
20 40 60
Temperature (°C)
80 100
Reference voltage vs cathode current
2
1
T
AMB
=
+25°C
0
-1
-2
-1
0
1
2
3
Cathode voltage V (V)
KA
Off-state cathode current vs temperature
2.0
V = 36 V
KA
V = 0V
REF
1.5
1.0
0.5
0.0
-40 -20
0
20 40 60
Temperature (°C)
80 100
TL431
Reference voltage vs cathode current
100
75
T =+25°C
AMB
50
25
0
-25
-50
-1
0
1
2
3
Cathode voltage V (V)
KA
Reference current vs temperature
2.0
I =10 mA
K
1.5
R1=10k
R2= +
1.0
0.5
0.0
−40 −20
0
20 40 60
Temperature °C
80 100
Ratio of change in VREF to change in VKA vs
Temperature
0.0
-0.5
I = 10 mA
K
-1.0
-1.5
-2.0
-40 -20
0
20 40 60
Temperature (°C)
80 100
5/10
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