Diodes ZR285 User Manual download pdf

ZR285

Document number: DS32168 Rev. 8 - 2

1 of 5

www.diodes.com

May 2010

Product Line o

Diodes Incorporated

PRECISION 2.5V MICROPOWER VOLTAGE REFERNCE

Description

The ZR285 uses a bandgap circuit design to achieve a

precision micropower voltage reference of 2.5 volts. The

device is available in a small outline surface mount package,

ideal for applications where space saving is important.

The ZR285 design provides a stable voltage without an

external capacitor and is stable with capacitive loads. The

ZR285 is recommended for operation between 20A and

20mA and so is ideally suited to low power and battery

powered applications.

Excellent performance is maintained to an absolute

maximum of 30mA, however the rugged design and 20 volt

processing allows the reference to withstand transient

effects and currents up to 200mA. Superior switching

capability allows the device to reach stable operating

conditions in only a few microseconds.

Pin Assignment

(Top View)

Pin 1 floating or connected to pin 2

Typical Application Circuit

Features

• Small outline SOT23 style package

• No stabilizing capacitor required

• Low knee current, 15A typical

• Typical T

30ppm/°C

• Typical slope resistance 0.4

• ± 2% tolerance

• Industrial temperature range

• Operating current 20μA to 20mA

Applications

• Battery powered and portable equipment

• Metering and measurement systems

• Instrumentation

• Test equipment

• Data acquisition systems

• Precision power supplies

1 2 3 4 5

Summary of Contents

ZR285 ZR285 Document number: DS32168 Rev. 8 - 2 1 of 5 www.diodes.com May 2010 © Diodes Incorporated A Product Line ofDiodes IncorporatedPRECISION

Page 2

ZR285 ZR285 Document number: DS32168 Rev. 8 - 2 2 of 5 www.diodes.com May 2010 © Diodes Incorporated A Product Line ofDiodes Incorporated Absolute

Page 3 - Typical Characteristics

ZR285 ZR285 Document number: DS32168 Rev. 8 - 2 3 of 5 www.diodes.com May 2010 © Diodes Incorporated A Product Line ofDiodes IncorporatedTypical Ch

Page 4 - Package Outline Dimensions

ZR285 ZR285 Document number: DS32168 Rev. 8 - 2 4 of 5 www.diodes.com May 2010 © Diodes Incorporated A Product Line ofDiodes Incorporated Ordering

Page 5 - Diodes Incorporated

ZR285 ZR285 Document number: DS32168 Rev. 8 - 2 5 of 5 www.diodes.com May 2010 © Diodes Incorporated A Product Line ofDiodes Incorporated IMPOR

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Diodes ZR285 User Manual

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