TL431
Static impedance R
KA
vs Temperature
0.30
Minimum operating current vs temperature
0.6
0.28
V
KA
=V
REF
T
AMB
=+25
°
C
Minimum cathode current I
MIN
(mA)
Static impedance R
KA
(
Ω
)
0.4
0.26
0.24
0.2
V
KA
= V
REF
0.22
0.20
-40
-20
0
20
40
60
80
100
0.0
-40
-20
0
20
40
60
80
100
Temperature (
°
C)
Temperature (
°
C)
Gain & Phase vs Frequency
Stability behaviour with capacitive loads
100
60
Gain
40
I
K
=10 mA
See figure 4
200
Cathode current (mA)
150
100
V
KA
=V
REF
80
V
KA
=5 V
60
V
KA
=12 V
Instable
Area
Gain (dB)
20
Phase
50
Phase (
°
)
0
0
-50
-100
-20
-150
-40
1
10
100
Frequency (kHz)
1000
-200
10000
40
20
V
KA
=24 V
0
1E-10
1E-9
1E-8
1E-7
1E-6
1E-5
Capacitive load (Farad)
Maximum Power dissipation
Pulse response for I
K
=1mA
6
100
SO8
Batwing
80
Input and Output voltage (V)
T
AMB
= +25
°
C
Cathode current (mA)
Input
4
Output
60
TO92
40
Safe
Area
V
KA
=V
REF
T
AMB
=+25
°
C
2
20
0
10
20
Cathode voltage (V)
30
0
0
2
4
Time (
µ
s)
6
8
10
6/10
STMICROELECTRONICS [ STMICROELECTRONICS ]
