TL431, A, B Series
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
4.0 k
1.0 k
20 pF
Reference
(R)
Cathode
(K)
10 k
2.4 k
7.2 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
37
Unit
V
Cathode to Anode Voltage
V
KA
Cathode Current Range, Continuous
Reference Input Current Range, Continuous
Operating Junction Temperature
I
–100 to +150
–0.05 to +10
150
mA
mA
°C
K
I
ref
T
J
Operating Ambient Temperature Range
TL431I, TL431AI, TL431BI
TL431C, TL431AC, TL431BC
T
A
°C
–40 to +85
0 to +70
Storage Temperature Range
T
stg
–65 to +150
°C
Total Power Dissipation @ T = 25°C
P
D
W
A
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
D
W
C
Derate above 25°C Case Temperature
D, LP Suffix Plastic Package
P Suffix Plastic Package
1.5
3.0
NOTE: ESD data available upon request.
RECOMMENDED OPERATING CONDITIONS
Condition
Symbol
Min
Max
Unit
V
Cathode to Anode Voltage
Cathode Current
V
KA
V
ref
36
I
K
1.0
100
mA
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
R
178
83
114
41
240
–
θJA
θJC
2
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
