TL431 Series
MAXIMUM RATINGS (Ta=25 )
(Full operating ambient temperature range applies unless otherwise noted.)
CHARACTERISTIC
Cathode To Anode Voltage
Cathode Current Range, Continuous
Reference Input Current Range, Continuous
Operating Junction Temperature
Operating Temperature
Storage Temperature
TL431
Total Power Dissipation
TL431F
P
D
SYMBOL
V
KA
I
K
I
ref
T
j
T
opr
T
stg
RATING
37
-100
150
UNIT
V
mA
mA
-0.05 10
150
-40 85
-65 150
700
mW
800
ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTICS
TL431
Reference Input
Voltage
Reference Input Voltage
Deviation Over Temperature Range
Ratio of Change in Reference Input
Voltage to Change in Cathode to
Anode Voltage
Ta=25
Ta=T
opr
TL431A
TL431B
V
ref
V
ref
)
TEST
CIRCUIT
TEST CONDITION
MIN.
2.440
Figure 1
V
KA
=V
ref
, I
K
=10mA
2.470
2.4825
Figure 1
(Note 1)
V
KA
=V
ref
, I
K
=10mA
V
KA
=
-
-
-
-
Figure 2
I
K
=10mA, R1=10k , R2=
I
K
=10mA, R1=10k , R2=
V
KA
=V
ref
V
KA
=36V, V
ref
=0V
V
KA
=V
ref
, I
K
=1.0 100mA,
f
1.0kHz
-
-
-
-
-
TYP.
2.495
2.495
2.495
7.0
-1.4
-1.0
1.8
-
0.8
0.5
2.6
0.22
MAX.
2.550
2.520
2.5075
30
-2.7
mV/V
-2.0
4.0
6.5
2.5
1.0
1000
-
A
UNIT
V
V
V
mV
SYMBOL
V
ref
/
V
KA
Figure 2
I
K
=10mA
10V V
ref
V
KA
=
36V
10V
Reference Input Current
Reference Input Current
I
ref
Deviation Over Temperature Range
Minimum Cathode Current For Regulation
Off-State Cathode Current
Dynamic Impedance
I
ref
I
min
I
off
Z
ka
Figure 2
Figure 1
Figure 3
Figure 1
(Note 2)
A
mA
nA
2008. 7. 3
Revision No : 0
2/6
KEC [ KEC(KOREA ELECTRONICS) ]
