ZH431F02 datasheet, PDF - EEWORLD Datasheet

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ZH431F02: DescriptionADJUSTABLE PRECISION ZENER SHUNT REGULATOR; File Size103KB，7 Pages; ManufacturerETC

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ZH431F02 Overview

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

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ADJUSTABLE PRECISION

ZENER SHUNT REGULATOR

Issue 2 - February 1998

DEVICE DESCRIPTION

The ZH431 is a three terminal adjustable

s hu n t r e g u l a t or o f f e r i n g e xc el l e nt

temperature stability and output current

handling capability up to 30mA. The output

voltage may be set to any chosen voltage

between 2.5 and 36 volts by selection of two

external divider resistors.

The devices can be used as a replacement

for zener diodes in many applications

r e qu i r i n g a n i mpr o ve me nt i n z e ner

performance.They are also ideal for use in

the feedback circuits of off line SMPUs as

well as many general purpose regulator and

reference applications where initial accuracy

and low temperature coefficient are key

requirements.

Note:

ZH431 is not recommended for new designs.

Refer to ZR431

ZH431

FEATURES

•

Surface mount SO8, SOT223,SOT23

and SOT89 packages

TO92 package

2% and 1% tolerance

Maximum temperature coefficient 55

ppm/°C

Temperature compensated for

operation over the full temperature

range

Programmable output voltage

50µA to 30mA current sink capability

Low output noise

APPLICATIONS

Shunt regulator

Series regulator

Voltage monitor

Over voltage/ under voltage protection

Switch mode power supplies

SCHEMATIC DIAGRAM

ref

4-15

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