December 2004

Revision 2

1/11

■ Adjustable output voltage: 1.24 to 24V

■ Several precision @ 25°C

±2%, ±1%, ±0.5% and ±0.25%

■ Sink current capability: 0.4 to 100mA

■ Industrial temperature range: -40 to +125°C

■ Performances compatible with industry

standard TL431

Description

The TS3431 is a programmable shunt voltage

reference with guaranteed temperature stability

over the entire temperature range of operation

(-40 to +125°C). The output voltage may be set to

any value between 1.24V and 24V with an

external resistor bridge.

Available in SOT23-3 surface mount package, it

can be designed in applications where space

saving is a critical issue.

Applications

■ Computers

■ Instrumentation

■ Battery chargers

■ Switch mode power supply

■ Battery operated equipments

Pin Connections (top view)

Order Codes

L

SOT23-3L

(Plastic Micropackage)

Z

TO-92

(Plastic Package)

TO-92

(top view)

SOT23-3

(top view)

3

1

2

Cathode

Reference

Anode

Part Number

Temperature Range

Package

Packaging

Marking

TS3431ILT/AILT/BILT/CILT

-40, +125°C

SOT23-3L

Tape & Reel

L280-L281

L282-L283

TS3431IZ/AIZ/BIZ/CIZ

TO-92

Bulk

TS3431IZT/AIZT/BIZT/CIZT

Tape & Reel

TS3431IZ-AP/AIZ-AP/BIZ-AP/CIZ-AP

Ammo pack

TS3431

1.24V Programmable Shunt Voltage Reference