Datasheet

TL431, TL432 Electrical characteristics
Doc ID 4467 Rev 11 9/21
Figure 13. Reference voltage vs. cathode
current
Figure 14. Zoom on reference voltage vs.
cathode current
Figure 15. Reference current vs. temperature Figure 16. Off-state cathode current vs.
temperature
-40-20 0 20406080100120
0.0
0.5
1.0
1.5
2.0
I
K
=10 mA
R
1
=10kΩ
R2= + ∝
Reference current I
REF
(μA)
Temperature °C
-40-200 20406080100120
0.0
0.1
0.2
0.3
0.4
V
KA
= 36 V
V
REF
= 0 V
Off-state current I
OFF
(μA)
Temperature (°C)
Figure 17. Ratio of change in V
ref
to change in
V
KA
vs. temperature
Figure 18. Static impedance R
KA
vs.
temperature
-40 -20 0 20 40 60 80 100 120
-2.0
-1.5
-1.0
-0.5
0.0
I
K
= 10 mA
ΔV
REF
/ ΔV
KA
(mV / V)
Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.10
0.12
0.14
0.16
0.18
0.20
V
KA
=V
REF
Static impedance R
KA
(Ω)
Temperature (°C)