Datasheet > TL431IU1/48H

TL431IU1/48H

更新时间： 2023-01-02 21:02:32

品牌	Logo	应用领域
威世 - VISHAY		光电二极管输出元件
页数	文件大小	规格书
16页	319K
描述
IC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3, MO-78AA, SOT-23, 3PIN, Voltage Reference

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TL431IU1/48H 数据手册

GS431B/TL431A/TL431

Vishay Siliconix

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 2.500V (V_REF) up to 36V 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: 2.500V ±0.5%

TL431A: 2.500V ±1.0%

TL431:

2.500V ±2.0%

• Sink Current Capability: 100mA.

• Minimum Cathode Current for Regulation: 0.5mA

• Equivalent Full-Range Temperature Coefficient:

50 ppm/°C

• Fast Turn-On Response

• Low Dynamic Output Impedance: 0.22Ω

• Low Output Noise

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.

Symbol

CATHODE (C)

Applications

• Voltage Monitor

• Delay Timer

REF (R)

• Constant-Current Source/Sink

• High-Current Shunt Regulator

• Crow Bar

• 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

2.500V

ANODE (A)

Document Number 74806

11-Jun-04

www.vishay.com

12 3 4 5 6 7...16

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