TL431, A, B Series, NCV431A, B
Symbol
Representative Schematic Diagram
Component values are nominal
Cathode
(K)
Cathode (K)
Reference
(R)
800
800
Reference
(R)
Anode
(A)
20 pF
Representative Block Diagram
150
3.28 k
7.2 k
4.0 k
20 pF
Reference
(R)
Cathode
(K)
10 k
2.4 k
+
−
1.0 k
2.5 V
ref
800
Anode (A)
Anode (A)
This device contains 12 active transistors.
MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwise noted.)
Rating Symbol
Value
Unit
V
Cathode to Anode Voltage
V
37
KA
Cathode Current Range, Continuous
I
−100 to +150
−0.05 to +10
150
mA
mA
°C
K
Reference Input Current Range, Continuous
Operating Junction Temperature
I
ref
T
J
Operating Ambient Temperature Range
TL431I, TL431AI, TL431BI
TL431C, TL431AC, TL431BC
NCV431AI, NCV431B, TL431BV
T
A
°C
−40 to +85
0 to +70
−40 to +125
Storage Temperature Range
T
stg
−65 to +150
°C
Total Power Dissipation @ T = 25°C
P
W
A
D
D
Derate above 25°C Ambient Temperature
D, LP Suffix Plastic Package
P Suffix Plastic Package
0.70
1.10
0.52
DM Suffix Plastic Package
Total Power Dissipation @ T = 25°C
P
W
V
C
Derate above 25°C Case Temperature
D, LP Suffix Plastic Package
P Suffix Plastic Package
1.5
3.0
ESD Rating
HBM
MM
>2000
>200
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
RECOMMENDED OPERATING CONDITIONS
Condition
Symbol
Min
Max
36
Unit
V
Cathode to Anode Voltage
Cathode Current
V
V
ref
KA
I
1.0
100
mA
K
THERMAL CHARACTERISTICS
D, LP Suffix
Package
P Suffix
Package
DM Suffix
Package
Characteristic
Symbol
Unit
°C/W
°C/W
Thermal Resistance, Junction−to−Ambient
Thermal Resistance, Junction−to−Case
R
q
178
83
114
41
240
−
JA
JC
R
q
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