Datasheet

TL431, A, B Series
2
MOTOROLA ANALOG IC DEVICE DATA
Representative Block Diagram
1.0 k
Cathode
(K)
2.5 V
ref
Anode (A)
Reference
(R)
4.0 k
150
Symbol
10 k
20 pF
800
Cathode (K)
3.28 k
Representative Schematic Diagram
Component values are nominal
Anode (A)
–
+
Anode
(A)
800
Reference
(R)
2.4 k 7.2 k
20 pF
800
Cathode
(K)
Reference
(R)
This device contains 12 active transistors.
MAXIMUM RATINGS (Full operating ambient temperature range applies, unless
otherwise noted.)
Rating
Symbol Value Unit
Cathode to Anode Voltage V
KA
37 V
Cathode Current Range, Continuous I
K
–100 to +150 mA
Reference Input Current Range, Continuous I
ref
–0.05 to +10 mA
Operating Junction Temperature T
J
150 °C
Operating Ambient Temperature Range T
A
°C
TL431I, TL431AI, TL431BI –40 to +85
TL431C, TL431AC, TL431BC 0 to +70
Storage Temperature Range T
stg
–65 to +150 °C
Total Power Dissipation @ T
A
= 25°C P
D
W
Derate above 25°C Ambient Temperature
D, LP Suffix Plastic Package 0.70
P Suffix Plastic Package 1.10
DM Suffix Plastic Package 0.52
Total Power Dissipation @ T
C
= 25°C P
D
W
Derate above 25°C Case Temperature
D, LP Suffix Plastic Package 1.5
P Suffix Plastic Package 3.0
NOTE: ESD data available upon request.
RECOMMENDED OPERATING CONDITIONS
Condition Symbol Min Max Unit
Cathode to Anode Voltage V
KA
V
ref
36 V
Cathode Current I
K
1.0 100 mA
THERMAL CHARACTERISTICS
Characteristic Symbol
D, LP Suffix
Package
P Suffix
Package
DM Suffix
Package
Unit
Thermal Resistance, Junction–to–Ambient R
θJA
178 114 240 °C/W
Thermal Resistance, Junction–to–Case R
θJC
83 41 – °C/W