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On Aug 12, 2025


TL431CD Voltage References by STMicroelectronics

The TL431CD from STMicroelectronics is a precision, programmable shunt voltage reference designed for accurate voltage regulation in a wide range of electronic applications. As part of the semiconductors, integrated circuits – ICs, power management ICs, voltage references category, it offers excellent stability, flexibility, and ease of integration for engineers and designers.

With a typical reference voltage of 2.495V, the TL431CD voltage reference is perfect for power supplies, battery chargers, and instrumentation circuits requiring reliable performance over varying environmental conditions.


Technical Specifications of TL431CD

  • Manufacturer: STMicroelectronics

  • Part Number: TL431CD

  • Category: Semiconductors, Integrated Circuits – ICs, Power Management ICs, Voltage References

  • Reference Voltage: 2.495V (typical)

  • Voltage Tolerance: ±0.5% (A grade)

  • Output Voltage Range: 2.495V to 36V

  • Operating Current Range: 1mA to 100mA

  • Package Type: SOIC-8

  • Operating Temperature: -40°C to +85°C


Key Features of TL431CD

  • Programmable voltage reference for design flexibility

  • High accuracy with low temperature coefficient

  • Wide output voltage range up to 36V

  • Low dynamic impedance for stable operation

  • Compatible with industry-standard SOIC-8 packages


Applications of TL431CD

  • Linear and switching power supplies

  • Battery management systems

  • Industrial automation control systems

  • Precision measurement and monitoring instruments

  • Consumer electronics requiring regulated voltage


Wiring and Connection Overview

  • REF (Reference Pin): Adjusts the output voltage

  • K (Cathode): Ground or return connection

  • A (Anode): Supply connection for regulation control


Use Case Scenario: Voltage Stability in Industrial Systems

Problem: An industrial automation circuit needed highly accurate voltage regulation to ensure stable sensor operation.

Solution: The TL431CD voltage reference offered programmable output, tight tolerance, and excellent stability, even in variable temperature environments.

Result: Improved operational consistency and reduced system downtime.


Download Datasheet for TL431CD

[Download the TL431CD Datasheet from Xon Electronics]


Also Available from Other Manufacturers

  • Texas Instruments – Known for high-precision and robust voltage references suitable for industrial and consumer electronics applications.


Why Buy from Xon Electronics?

  • 100% Genuine STMicroelectronics Components
  • Worldwide Shipping – USA, India, Australia, Europe & more
  • Competitive Bulk Pricing
  • Comprehensive Technical Datasheets
  • Secure Online Ordering


FAQs – TL431CD Voltage References

Q1. What is the typical reference voltage for TL431CD?
2.495V.

Q2. Can TL431CD be used in battery chargers?
Yes, it’s ideal for voltage regulation in charging systems.

Q3. What package type does TL431CD use?
SOIC-8.

Q4. Does Xon Electronics ship to international locations?
Yes, including USA, India, Australia, Europe, and more.


Conclusion

The TL431CD voltage reference by STMicroelectronics is a dependable, programmable, and highly accurate solution for a range of voltage regulation needs in the semiconductors, integrated circuits – ICs, power management ICs, voltage references category. Order from Xon Electronics for fast delivery to USA, India, Australia, Europe, and other countries.


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