ZR431F005 datasheet(1/7 Pages) DIODES

Part #	ZR431F005

Description	ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

PDF	7 Pages

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Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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ADJUSTABLE PRECISION

ZENER SHUNT REGULATOR

ISSUE 5 – DECEMBER 2002

ZR431

DEVICE DESCRIPTION

The ZR431 is a three terminal adjustable

sh un t

r e g u l a to r

o ffe r i ng

ex cel l en t

temperature stability and output current

handling capability up to 100mA. 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

re quiri n g an i m pr ove m e n t i n z e ne r

performance.

FEATURES

• Surface mount SOT223 and SOT23

packages

• TO92 package

• 2%, 1 % and 0.5% tolerance

• Max. temperature coefficient 55 ppm/°C

• Temperature compensated for operation

over the full temperature range

• Programmable output voltage

• 50µA to 100mA current sink capability

• Low output noise

APPLICATIONS

• Shunt regulator

• Series regulator

• Voltage monitor

• Over voltage/ under voltage protection

• Switch mode power supplies

V

Z

G

nd

V ref

SCHEMATIC DIAGRAM

4-189

78

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