TL1431CLPRE3

$0.27

Description：IC VREF SHUNT ADJ 0.4% TO92-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f16470c0935a Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.4% TO92-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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TL1431CLPRE3

Overview

The TL1431CLPRE3 is a precision programmable shunt reference in a TO-92-3 package. It offers an initial voltage tolerance of 0.4% and operates over a commercial temperature range of 0°C to 70°C. The device supports adjustable output voltages from approximately 2.5V to 36V using two external resistors. It features a typical output impedance of 0.2Ω, fast turn-on characteristics, and a sink current capability ranging from 1mA to 100mA.

Feature Summary

Provides high-precision voltage referencing with tight initial tolerance specifications for accurate circuit regulation.
Features active output circuitry that delivers sharp turn-on characteristics, enabling effective replacement for Zener diodes.
Internally compensated design ensures stability without requiring an output capacitor between the cathode and anode terminals.

Applications

Adjustable voltage and current referencing
Secondary side regulation in flyback SMPSs
Zener diode replacement
Voltage monitoring circuits

Procurement Notes

Verify component authenticity through authorized channels. Confirm the specific suffix matches the required tolerance and package variant. Check for recent Product Change Notifications regarding manufacturing site updates or material changes. Ensure compliance with relevant environmental directives applicable to your region before finalizing procurement.

Selection Notes

Select this part when commercial temperature operation suffices and high precision is required. The TO-92-3 package suits through-hole designs. Verify that the application load capacitance remains within the stability boundary conditions defined in the datasheet. Ensure the cathode current stays within the specified operating range for optimal performance.

Part Context

This component belongs to the TL1431 family of precision programmable references. While sharing core architecture with other variants like the TL431, it provides stricter accuracy specifications suitable for demanding applications. The 'C' designation indicates characterization for the commercial temperature range, distinguishing it from automotive or military grade options.