TL431A, B Series, NCV431A, B Series, SCV431A

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2

1.0 k

Cathode

(K)

Anode (A)

Reference

(R)

4.0 k

150

Figure 1. Symbol

10 k

20 pF

800

Cathode (K)

3.28 k

Anode (A)

-

+

Anode

(A)

800

Reference

(R)

2.4 k

7.2 k

20 pF

800

Cathode

(K)

Reference

(R)

This device contains 12 active transistors.

Figure 2. Representative Block Diagram

Figure 3. Representative Schematic Diagram

Component values are nominal

Rating

Symbol

Value

Unit

Cathode to Anode Voltage

37

V

Cathode Current Range, Continuous

−100 to +150

mA

Reference Input Current Range, Continuous

−0.05 to +10

mA

Operating Junction Temperature

150

°C

Operating Ambient Temperature Range

°C

TL431I, TL431AI, TL431BI

−40 to +85

TL431C, TL431AC, TL431BC

0 to +70

NCV431AI, NCV431B, TL431BV, SCV431AI

−40 to +125

Storage Temperature Range

−65 to +150

°C

W

Derate above 25

°C Ambient Temperature

D, LP Suffix Plastic Package

0.70

P Suffix Plastic Package

1.10

DM Suffix Plastic Package

0.52

W

Derate above 25

°C Case Temperature

D, LP Suffix Plastic Package

1.5

P Suffix Plastic Package

3.0

ESD Rating (Note 1)

Human Body Model per JEDEC JESD22−A114F

Machine Model per JEDEC JESD22−A115C

Charged Device Model per JEDEC JESD22−C101E

HBM

MM

CDM

>2000

>200

>500

V

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

1. This device contains latch−up protection and exceeds

±100 mA per JEDEC standard JESD78.

RECOMMENDED OPERATING CONDITIONS

Condition

Symbol

Min

Max

Unit

Cathode to Anode Voltage

36

V

Cathode Current

1.0

100

mA

Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond

the Recommended Operating Ranges limits may affect device reliability.