TL431 Programmable Precision Reference
BLOCK DIAGRAM
Cathode (K)
Ref erence
(R)
800
800
20pF
3.28K
2.4K
7.2K
20pF
800
4.0K
1.0K
Anode (A)
150
10K
Cathode
(K)
Ref erence
(R)
Anode
(A)
SYMBOL
Ref erence(R)
+
-
2.5Vref
C at hode(K)
Anode(A)
Representative Block Diagram
ABSOLUTE MAXIMUM RATINGS
(Full operating ambient temperature range applies, unless otherwise noted)
Rating
Symbol
Value
Unit
Cathode To Anode Voltage
VKA
37
V
Cathode Current Range, Continuous
IK
-100 to +150
mA
Reference Input Current Range,
Continuous
Iref
-0.05 to +10
mA
Operating Junction Temperature
TJ
150
℃
Operating Ambient Temperature Range
TL431CT/CP/CD/CH/CLT1
TA
-20 ~ +85
℃
Storage temperature Range
Total Power Dissipation @TA=25℃
Derate above 25℃ Ambient
Temperature
T,D Suffix Package
P Suffix Package
H Suffix Package
LT1 Suffix Package
Tstg
-65 to +150
℃
PD
0.70
W
1.10
1.0
0.28
2
2001-05-A