TL431 datasheet(2/15 Pages) TUOFENG

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ABSOLUTE MAXIMUM RATINGS

(Full Operating Ambient Temperature Range Applies Unless Otherwise Noted)

CHARACTERISTIC

Cathode Voltage

Continuous Cathode Current Range

Reference Input Current Range

Junction Temperature

Operating Temperature

Storage Temperature

Total Power Dissipation

RATING

SYMBOL

-100~+150

0.05~10

㎃

-20 ~ 85

UNIT

VKA

IKA

㎃

IREF

150

℃

㎽

TOPR

TSTG

-65 ~ 150

700

TL431

SHENZHEN TUOFENG SEMICONDUCTOR TECHNOLOGY CO.,LTD

www.sztuofeng.com

Jan,2019 V1.0

ELECTRICAL CHARACTERISTIC (TA=25℃, unless otherwise specified)

Deviation of Reference

VKA=VREF, IK=10㎃

Input Voltage Over

TA=Full Range

Full Temperature Range

Ratio of Change in

Reference Input Voltage

to the Change in Cathod

Voltage

Reference Input Current

IKA=10㎃, R1=10㏀, R2=∞

Deviation of Reference

IK=10㎃, R1=10㏀, R2=∞

Input Current Over Full

TA=Full Range

Temperature Range

Minimum Cathode

ΔVKA=VREF

Current for Regulation

Off-State Cathode

VKA=36V, VREF=0

Current

Dynamic Impedance

VKA=VREF, IK=1㎃~100㎃,

f≤1㎑

ZKA

0.2

0.5

㎃

㎂

Ω

IKAOFF

0.2

IKAMIN

0.5

㎂

㎷/V

1.2

-2

ΔIREF/ΔT

0.4

ΔVREF/ΔVKA

IK=10㎃

IREF

1.8

ΔVKA=10V-VREF

ΔVKA=36V-10V

㎷

-1.4

-2.7

-1

ΔVREF/ΔT

UNIT

CHARACTERISTIC

SYMBOL CIR-CUIT

TEST CONDITION

MIN.

TYP.

MAX.

Rank

0.5%

Range

2.482-2.507

2.470-2.520

CLASSIFICATION OF VREF

0.3%

2.487-2.502

TYP.

$GMXVWDEOH5HIHUHQFH6RXUFH

TL431

2.495

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