Datasheet

25
0
−50
−75
−100
125
−25
−2 −1 0 1
75
50
100
CATHODE CURRENT
vs
CATHODE VOLTAGE
150
2 3
V
KA
− Cathode Voltage − V
V
KA
= V
ref
T
A
= 25°C
− Cathode Current − mAI
KA
400
200
0
−200
−1 0 1
600
CATHODE CURRENT
vs
CATHODE VOLTAGE
800
2 3
V
KA
= V
ref
T
A
= 25°C
V
KA
− Cathode Voltage − V
I
min
− Cathode Current −I
KA
Aµ
2500
2480
2420
2400
−75 −50 −25 0 25 50 75
2540
2580
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2600
100 125
2460
2560
2520
2440
T
A
− Free-Air Temperature − °C
V
ref
= 2495 mV
V
ref
= 2440 mV
V
KA
= V
ref
I
KA
= 10 mA
V
ref
= 2550 mV
− Reference Voltage − mV
V
ref
3
2
1
0
−75 −25 0 50
4
REFERENCE CURRENT
vs
FREE-AIR TEMPERATURE
5
100 125
−50 25 75
T
A
− Free-Air Temperature − °C
R1 = 10 kΩ
R2 = ∞
I
KA
= 10 mA
− Reference Current −ref
I
µA
TL431, TL431A, TL431B, TL432, TL432A, TL432B
www.ti.com SLVS543N –AUGUST 2004–REVISED JANUARY 2014
Typical Characteristics
Data at high and low temperatures are applicable only within the recommended operating free-air temperature
ranges of the various devices.
Figure 4. Figure 5.
Figure 6. Figure 7.
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