Diodes ZHT431 Bedienungsanleitung PDF herunterladen

ZHT431

Document number: DS32157 Rev. 11 - 2

1 of 8

www.diodes.com

November 2010

Product Line o

Diodes Incorporated

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

Description

The ZHT431 is a three terminal adjustable shunt regulator

offering excellent temperature stability and output current

handling capability up to 100mA. The device offers

extended operating temperature range working from -55 to

+125°C.

The output voltage may be set to any chosen voltage

between 2.5 and 20 volts by selection of two external

divider resistors.

The devices can be used as a replacement for zener

diodes in many applications requiring an improvement in

zener performance.

Pin Assignments

Features

• Surface mount SOT23 package

• 0.5%, 1% and 2% tolerance

• Maximum temperature coefficient 67ppm/°C

• Temperature compensated for operation over the full

temperature range

• Programmable output voltage

• 50μA to 100mA current sink capability

• Low output noise

• Available in “Green” Molding Compound (See page 7)

• Wide temperature range -55 to +125°C

Applications

• Series and shunt regulator

• Voltage monitor

• Over voltage / under voltage protection

• Switch mode power supplies

Typical Application Circuit

GND

VREF

(Top View)

SOT23

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - (Top View)

ZHT431 ZHT431 Document number: DS32157 Rev. 11 - 2 1 of 8 www.diodes.com November 2010© Diodes Incorporated A Product Line ofDiodes IncorporatedADJ

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Seite 3 - Typical Operating Conditions

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Seite 5 - DC Test Circuits

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Seite 6 - Application Circuits

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Seite 7

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Seite 8

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Diodes ZHT431 Bedienungsanleitung

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