WS
TL431
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
Characteristic
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Operating Temperature Range
Storage Temperature Range
RECOMMENDED OPERATING CONDITIONS
Characteristic
Cathode Voltage
Cathode Current
Symbol
V
KA
I
K
Test Condition
Min
V
REF
1.0
Typ
Max
36
100
Unit
V
mA
Symbol
V
KA
I
K
I
REF
T
a
T
stg
Value
37
-100 ~ +150
0.05 ~ +10
0 ~ +70
-65 ~ +150
Unit
V
mA
mA
o
o
C
C
ELECTRICAL CHARACTERISTICS
(T
a
= 25
o
C, unless otherwise specified)
Characteristic
Reference Input Voltage
Deviation of Reference
Input Voltage Over-
Temperature (Note 1)
Ratio of Change in
Reference Input Voltage
to the Change in
Cathode Voltage
Reference Input Current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode
Current for Regulation
Off-State Cathode
Current
Dynamic Impedance
(Note2)
I
REF
I
REF(dev)
Symbol
V
REF
V
REF(dev)
Test Condition
V
KA
= V
REF
, I
K
= 10mA
V
KA
= V
REF
, I
K
= 10mA
T
min
≤
Ta
≤
T
max
∆
V
R EF
∆
V
K A
Min
2.44
Typ
2.495
4
Max
2.55
17
Unit
V
mV
I
K
= 10mA
∆V
KA
= 10V-V
REF
-1.4
-2.7
mV/V
∆K
KA
= 36V-10V
I
K
= 10mA, R
1
= 10KΩ, R
2
=
∞
I
K
= 10mA, R
1
= 10KΩ, R
2
=
∞
Ta = Full Range
I
K(min)
I
K(off)
Z
KA
V
KA
= V
REF
V
KA
= 36V, V
REF
= 0
V
KA
= V
REF
, I
K
= 10mA to
100mA
f
≤
1.0KHz
-1.0
2,0
0.4
-2.0
4
1.2
µA
µA
0.4
0.1
0.2
1.0
1.0
0.5
mA
µA
Ω
4-2
WINGS [ WING SHING COMPUTER COMPONENTS ]
