Datasheet > TL431AX

TL431AX

更新时间： 2024-09-30 15:54:27

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
10页	106K
描述
Regulator,

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中文翻译

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技术参数
数据手册

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TL431AX 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.07
Base Number Matches：	1

TL431AX 数据手册

GS431B/TL431A/TL431

Preliminary

Vishay

formerly General Semiconductor

Adjustable Precision Shunt Regulators

SO-8

SOT-23

SOT-89

TO-92

LP Suffix

S Suffix

U Suffix

X Suffix

Features

Description

• Programmable Output Voltage to 30V

The GS431B/TL431A/TL431 are 3-terminal adjustable

precision shunt regulators with guaranteed temperature

stability over the applicable extended commercial

temperature range. The output voltage may be set at any

level greater than 2.495V (V_REF) up to 30V merely by

selecting two external resistors that act as a voltage divider

network.These devices have a typical output impedance of

0.08Ω. Active output circuitry provides very sharp turn-on

characteristics, making these devices excellent improved

replacements for zener diodes in many applications.

• Precision Reference Voltage

GS431B: 2.495V ±0.5%

TL431A: 2.495V ±1.0%

TL431:

2.495V ±1.6%

• Sink Current Capability: 200mA.

• Minimum Cathode Current for Regulation: 250µA

• Equivalent Full-Range Temperature Coefficient:

50 ppm/°C

• Fast Turn-On Response

The precise ±0.5% reference voltage tolerance of the

GS431B makes it possible in many applications to avoid

the use of a variable resistor, consequently saving cost and

eliminating drift and reliability problems associated with it.

• Low Dynamic Output Impedance: 0.08Ω

• Low Output Noise

Symbol

Applications

CATHODE (C)

• Voltage Monitor

• Delay Timer

• Constant-Current Source/Sink

• High-Current Shunt Regulator

• Crow Bar

REF (R)

• Over-Voltage/Under-Voltage Protection

ANODE (A)

Mechanical Data

Case: SO-8, SOT-23, SOT-89, TO-92

High temperature soldering guaranteed:

260°C/10 seconds at terminals

Block Diagram

REF (R)

CATHODE (C)

Case outlines are on the back pages

2.495V

ANODE (A)

Document Number 74806

1-Jul-02

www.vishay.com

12 3 4 5 6 7...10

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