TL431 Adjustable Precision Shunt Regulator IC


5.00 -17% 6.00

TL431 Adjustable Precision Shunt Regulator IC is a three-terminal IC essential for providing highly accurate, adjustable voltage references and acting as a feedback error amplifier in Switch-Mode Power Supplies.

  • AVAILABILITY: AVAILABLE
  • SKU: 361

Stock: -


Overview: The Critical IC for Voltage Reference and Regulation. The TL431 Adjustable Precision Shunt Regulator IC is a cornerstone component in modern power electronics, serving as a superior, programmable alternative to the standard Zener diode. This chip is ABSOLUTELY ESSENTIAL because it integrates an accurate voltage reference and an op-amp comparator into a single unit. It allows the designer to precisely set an output voltage between 2.5V and 36V using just two external resistors, making it the TRUSTED SOLUTION for feedback control in regulated power supplies.

Description Summary. The TL431 Adjustable Precision Shunt Regulator IC is a three-terminal IC essential for providing highly accurate, adjustable voltage references and acting as a feedback error amplifier in Switch-Mode Power Supplies.

Key Technical Specifications (Datasheet Snapshot). - COMPONENT TYPE: Adjustable Precision Shunt Regulator.

  • OUTPUT VOLTAGE RANGE: Programmable from 2.5 VOLTS DC to 36 VOLTS DC.

  • REFERENCE VOLTAGE ACCURACY: High Precision (Typically $\pm 1.0 \text{ percent}$ or better).

  • MAX CATHODE CURRENT: Typically 100 MILLIAMPERES (mA).

  • KEY FEATURE: Functions as a PROGRAMMABLE ZENER DIODE or an ERROR AMPLIFIER in SMPS circuits.

  • TERMINALS: Three terminals (Reference, Anode, Cathode).

  • PACKAGE: Commonly available in TO-92 (through-hole) and surface-mount packages.

Applications: Power Control and Feedback. This IC is expertly suited for: Providing HIGHLY STABLE VOLTAGE REFERENCES for ADCs and microcontrollers, serving as the FEEDBACK ERROR AMPLIFIER in isolated and non-isolated SMPS circuits, implementing VOLTAGE AND CURRENT SENSING/LIMITING circuits, and use in LINEAR REGULATORS with improved performance.

Projectile Electronics Quality and Trust. We guarantee high-quality TL431 ICs with verified reference voltage accuracy and stable performance across the operating range, ensuring your power control loops are precise and reliable. The TL431 is a TRUSTED SOLUTION for professional power design. For any support or technical query, please contact Projectile Electronics at 01779-150816.

Package Includes: 1 × TL431 Adjustable Precision Shunt Regulator IC (TO-92).