Datasheet > ZR431(3)

ZR431(3)

更新时间： 2024-11-14 23:35:43

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ZR431(3) 数据手册

ADJ USTABLE PRECISION

ZENER SHUNT REGULATOR

ISSUE 5 – DECEMBER 2002

ZR431

DEVICE DESCRIPTION

FEATURES

The ZR431 is a three term inal adjustable

s h u n t r e g u la t o r o ffe r in g e x c e lle n t

te m perature stability and output current

handling capability up to 100m A. The output

voltage m ay be set to any chosen voltage

between 2.5 and 20 volts by selection of two

external divider resistors.

Surface m ount SOT223 and SOT23

packages

•

TO92 package

•

2%, 1 % and 0.5% tolerance

Max. tem perature coefficient 55 ppm /°C

Tem perature com pensated for operation

over the full tem perature range

The devices can be used as a replacem ent

fo r ze n e r d io d e s in m a n y a p p lica tio n s

r e q u ir in g a n im p r o v e m e n t in ze n e r

perform ance.

Program m able output voltage

50µA to 100m A current sink capability

Low output noise

•

APPLICATIONS

Shunt regulator

•

Series regulator

•

Voltage m onitor

•

Over voltage/ under voltage protection

•

Switch m ode power supplies

•

SCHEMATIC DIAGRAM

V_Z

ref

G_nd

4-189

12 3 4 5 6 7

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