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TL431ACLT1

Description
Programmable Precision Reference Sink Current Capability of 1.0 to 100mA
File Size376KB,12 Pages
ManufacturerFCI [First Components International]
Download Datasheet View All

TL431ACLT1 Overview

Programmable Precision Reference Sink Current Capability of 1.0 to 100mA

TL431 Programmable Precision Reference
T
he TL431 integrated circuits are three-terminal programmable shunt regulator diodes.
These monolithic IC voltage references operate as a low temperature coefficient zener
which is programmable from Vref to 36 volts with two external resistors. This device exhibits a
wide operating current range of 1.0 to 100 mA with a typical dynamic impedance of 0.22Ω. 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 volt
reference makes it convenient to obtain a stable reference from 5.0 volt logic supplies, and
since the TL431 operates as a shunt regulator, it can be used as either a positive or negative
voltage reference
FEATURE
1.
Programmable Output Voltage to 36 Volts
2.
Low Dynamic Output Impedance,0.22Ω Typical
3.
Sink Current Capability of 1.0 to 100mA
4.
Equivalent Full-Range Temperature
Coefficient of 50ppm/℃ Typical
5.
Temperature Compensated for Operation over
Full Rated Operating Temperature Range
6.
Low Output Noise Voltage
REFERENCE
ANODE
CATHODE
TO-92 TOP VIEW
ANODE
REF
CATHODE
SOT-23 TOP VIEW
REF
ANODE CATHODE
SOT-89 TOP VIEW
1
CATHODE
NC
NC
1
8
REF
NC
ANODE
NC
CATHODE
ANODE
8
REF
ANODE
ANODE
ANODE
NC
NC
NC
DIP-8 TOP VIEW
SOP-8 TOP VIEW
1
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