Typical Application for TL431B Programmable Precision References for TRIAC Crowbar

Reference Design using part TL431B by onsemi

Manufacturer

onsemi
  • Application Category
    Data Conversion
  • Product Type
    Voltage Reference

For End Products

  • Digital Voltmeter
  • Power Supplies

Description

  • Typical Application for TL431B Programmable Precision References for TRIAC Crowbar. The TL431A, B 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 36V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 ohm. 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

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