SLVS062O December   1991  – October 2025 TL1431 , TL1431M

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings – TL1431C, TL1431Q
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics – TL1431C
    6. 5.6 Electrical Characteristics – TL1431Q
    7. 5.7 Electrical Characteristics – TL1431M
    8. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Open Loop (Comparator)
      2. 7.4.2 Closed Loop
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Programming Output/Cathode Voltage
        2. 8.2.2.2 Total Accuracy
        3. 8.2.2.3 Stability
        4. 8.2.2.4 Start-up Time
      3. 8.2.3 Application Curve
    3. 8.3 System Examples
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

6 Parameter Measurement Information

TL1431 TL1431M Test Circuit For V(KA) = VrefFigure 6-1 Test Circuit For V(KA) = Vref
TL1431 TL1431M Test Circuit For IoffFigure 6-3 Test Circuit For Ioff
TL1431 TL1431M Test Circuit For Voltage AmplificationFigure 6-5 Test Circuit For Voltage Amplification
TL1431 TL1431M Test Circuit For Pulse ResponseFigure 6-7 Test Circuit For Pulse Response
TL1431 TL1431M Test Circuit For V(KA) > VrefFigure 6-2 Test Circuit For V(KA) > Vref
TL1431 TL1431M Test Circuit For 0.1Hz To 10Hz Equivalent Input-Noise VoltageFigure 6-4 Test Circuit For 0.1Hz To 10Hz Equivalent Input-Noise Voltage
TL1431 TL1431M Test Circuit For Reference ImpedanceFigure 6-6 Test Circuit For Reference Impedance
TL1431 TL1431M Test Circuits For Curves A Through DFigure 6-8 Test Circuits For Curves A Through D