Datasheet > TL431ALS

TL431ALS

更新时间： 2024-09-27 07:04:35

品牌	Logo	应用领域
IKSEMICON		/
页数	文件大小	规格书
12页	3529K
描述
Programmable Precision Reference

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数据手册

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TL431ALS 数据手册

TECHNICAL DATA

TL431

Programmable Precision Reference

FEATURES

PIN CONNECTIONS

• Programmable Output Voltage to 40V

• Low Dynamic Output Impedance 0.2Ω

• Sink Current Capability of 0.1 mA to 100 mA

• Equivalent Full-Range Temperature

Coefficient of 50 ppm/^oC

• Temperature Compensated for Operation over

Full Rated Operating Temperature Range

• Low Output Noise Voltage

ANODE

• Fast Turn on Response

• TO-92, SOP- 8, SOT-23, SOT-89 packages

REFERENCE

CATHODE

DESCRIPTION

The TL431 is a three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges.

The output voltage may be set to any value between Vref (approximately 2.5 volts) and 40 volts with two external resistors. These

devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic,

making these devices excellent replacement for zener diodes in many applications.

The TL431 is characterized for operation from -25^oC to +85^oC.

SYMBOL

FUNCTIONAL BLOCK DIAGRAM

ABSOLUTE MAXIMUM RATINGS

(Operating temperature range applies unless otherwise specified)

Characteristic Symbol

Cathode Voltage

Value

Unit

V_KA

I_K

Cathode Current Range (Continuous)

Reference Input Current Range

Power Dissipation at 25^oC:

-100 ~ 150

0.05 ~ 10

I_REF

P_D

SOP, TO – 92 Package (R _JA= 178^oC/W)

0.7

0.2

^oC

SOT Package (R _JA= 625^oC/W)

Junction Temperature Range

Operating Temperature Range

Storage Temperature Range

T_J

T_g

-40 ~ 150

-40 ~ +85

T_stg

-65 ~ +150

Rev. 00

12 3 4 5 6 7...12

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