Temperature (°C)

-50

-25

0

25

50

75

100

125

-1.8

-1.65

-1.5

-1.35

-1.2

-1.05

VKA = 3 V to 36 V

D006

D006

D006

VKA - Cathode Voltage -V

0

0.5

1

1.5

2

2.5

3

-3

0

3

6

9

12

15

VKA = Vref

TA = 25°C

D003

TA - Free-Air Temperature - °C

-50

-25

0

25

50

75

100

125

0

0.008

0.016

0.024

0.032

0.04

0.048

0.056

0.064

VKA = 36 V

VREF = 0 V

D004

TA - Free-Air Temperature - °C

-50

-25

0

25

50

75

100 125 150

2.4855

2.487

2.4885

2.49

2.4915

2.493

2.4945

2.496

2.4975

2.499

2.5005

Vka = Vref

IKA = 1 mA

Book

D001

TA - Free-Air Temperature - °C

-50

-25

0

25

50

75

100

125

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

IKA = 1 mA

D002

6

TL431LI

TL432LI

SLVSDQ6A – JULY 2018 – REVISED NOVEMBER 2018

www.ti.com

Product Folder Links: TL431LI TL432LI

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Copyright © 2018, Texas Instruments Incorporated

7.6 Typical Characteristics

Data at high and low temperatures are applicable only within the recommended operating free-air temperature

ranges of the various devices.

Figure 1. Reference Voltage vs Free-Air Temperature

Figure 2. Reference Current vs Free-Air Temperature

Figure 3. Cathode Current vs Cathode Voltage

Figure 4. Off-State Cathode Current

vs Free-Air Temperature

Figure 5. Ratio of Delta Reference Voltage to Delta Cathode Voltage vs Free-Air Temperature