Datasheet > TL431_06

TL431_06

更新时间： 2024-11-17 07:04:35

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描述
Programmable Precision References

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TL431_06 数据手册

TL431, A, B Series,

NCV431A, B

Programmable

Precision References

The TL431, A, B integrated circuits are three−terminal

programmable shunt regulator diodes. These monolithic IC voltage

references operate as a low temperature coefficient zener which is

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TO−92 (TO−226)

LP SUFFIX

CASE 29

programmable from V to 36 V with two external resistors. These

ref

devices exhibit a wide operating current range of 1.0 mA to 100 mA

with a typical dynamic impedance of 0.22 W. The characteristics of

these references make them excellent replacements for zener diodes in

many applications such as digital voltmeters, power supplies, and op

amp circuitry. The 2.5 V reference makes it convenient to obtain a

stable reference from 5.0 V logic supplies, and since the TL431, A, B

operates as a shunt regulator, it can be used as either a positive or

negative voltage reference.

Pin 1. Reference

2. Anode

3. Cathode

PDIP−8

P SUFFIX

CASE 626

Features

• Programmable Output Voltage to 36 V

Micro8E

DM SUFFIX

CASE 846A

• Voltage Reference Tolerance: 0.4%, Typ @ 25°C (TL431B)

• Low Dynamic Output Impedance, 0.22 W Typical

• Sink Current Capability of 1.0 mA to 100 mA

• Equivalent Full−Range Temperature Coefficient of 50 ppm/°C Typical

• Temperature Compensated for Operation over Full Rated Operating

Temperature Range

• Low Output Noise Voltage

• Pb−Free Packages are Available

Cathode

N/C

Reference

N/C

Anode

N/C

(Top View)

SOIC−8

D SUFFIX

CASE 751

Cathode

Reference

Anode

N/C

(Top View)

This is an internally modified SOIC−8 package. Pins 2, 3, 6 and

7 are electrically common to the die attach flag. This internal

lead frame modification increases power dissipation capability

when appropriately mounted on a printed circuit board. This

modified package conforms to all external dimensions of the

standard SOIC−8 package.

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 16 of this data sheet.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

November, 2006 − Rev. 25

TL431/D

12 3 4 5 6 7...19

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