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TS431B Datasheet PDF - Taiwan Semiconductor

Part Number TS431B
Description Adjustable Precision Shunt Regulator
Manufacturers Taiwan Semiconductor 
Logo Taiwan Semiconductor Logo 

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TS431B datasheet, circuit
TS431/431A/431B
Adjustable Precision Shunt Regulator
Sink Current Capability up to 100mA
General Description
The TS431/431A/431B 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. These devices exhibit a wide operating current range of 1.0 to 100mA with a typical dynamic
impedance of 0.22. 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 2.5volt reference makes it convenient to
obtain a stable reference from 5.0volt logic supplies, and since The TS431/431A/431B operates as a shunt regulator, it
can be used as either a positive or negative stage reference.
This series is offered in 3-pin TO-92, SOT-89, SOT-23 and SOP-8 package.
Features
Standard Application
— Precision Reference Voltage
TS431 2.495V±2%
TS431A 2.495V±1%
TS431B 2.495V±0.5%
— Equivalent Full Range Temp. Coefficient: 50ppm/ oC
— Programmable Output Voltage up to 36V
— Fast Turn-On Response
— Sink Current Capability of 1.0 to 100 mA
— Low Dynamic Output Impedance: 0.22
— Low Output Noise
Ordering Information
Block Diagram
Pin Assignment
Part No.
Operating Temp.
(Ambient)
TS431xCT
TS431xCY
-20 ~ +85 oC
TS431xCX
TS431xCS
Note: Where x denotes voltage tolerance.
Blank: ±2%
A: ±1%
B: ±0.5%
Package
TO-92
SOT-89
SOT-23
SOP-8
TS431/A/BCT
1
2
3
TS431/A/BCY
1
2
3
Pin No.
TS431/A/BCX
1
3
2
TS431/A/BCS
8
2,3,6,7
1
4,5
Pin
Description
Reference
Anode
Cathode
Non connect
TS431/A/B
1-8 2003/12 rev. A

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TS431B equivalent
Application Examples
TS431/A/B
5-8 2003/12 rev. A

5 Page
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Information Total 8 Pages
Download[ TS431B.PDF Datasheet ]

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