Datasheet > TL431AA

TL431AA

更新时间： 2024-11-18 05:53:55

品牌	Logo	应用领域
永盛 - Wing Shing		稳压器
页数	文件大小	规格书
7页	294K
描述
Adjustable Precision Shunt Regulator

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TL431AA 数据手册

TL431A

Adjustable Precision Shunt Regulator

FEATURES

PIN CONNECTIONS

• Programmable Output Voltage to 40V

SOT-89

• 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

TL431ACPK

TO-92

Operating Temperature Range

• Low Output Noise Voltage

TL431ACLP--Bulk Pack

TL431ACLPM-Ammo Pack

• Fast Turn on Respons

• TO-92 or SOT-23 and SOT-89 ,SO8packages

SO8

TL431ACMX

SOT-23

CATHODE

ANODE

REF

TL431ALT1

ANODE

DESCRIPTION

The TL431A 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 36 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 TL431A is characterized for operation from -0^oC to +70^oC.

SYMBOL

FUNCTIONAL BLOCK DIAGRAM

ABSOLUTE MAXIMUM RATINGS

(Operating temperature range applies unless otherwise specified)

Characteristic

Symbol

Value

Unit

Cathode Voltage

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

TO – 92 Package (R_!_JA= 178^oC/W)

SOT – 23 – 3 Package (R_!_JA= 625^oC/W)

Junction Temperature Range

0.7

0.2

^oC

T_J

T_g

0 ~ 150

Operating Temperature Range

Storage Temperature Range

0 ~ 70

T_stg

-65 ~ +150

12 3 4 5 6 7

中文翻译

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