• Menu
  • Product
  • Email
  • PDF
  • Order now

  • TLA431, TLA432 All-Capacitor Stable Precision Programmable Reference

    • SNVSCR4A July   2024  – October 2024 TLA431 , TLA432

      PRODUCTION DATA  

  • CONTENTS
  • SEARCH
  • TLA431, TLA432 All-Capacitor Stable Precision Programmable Reference
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Temperature Coefficient
    2. 7.2 Dynamic Impedance
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 Closed Loop
        1. 8.4.1.1 Stability (Closed Loop)
      2. 8.4.2 Open Loop (Comparator)
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Shunt Regulator/Reference
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Programming Output/Cathode Voltage
          2. 9.2.1.2.2 Total Accuracy
          3. 9.2.1.2.3 Start-Up Time
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Comparator With Integrated Reference
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Basic Operation
            1. 9.2.2.2.1.1 Overdrive
          2. 9.2.2.2.2 Output Voltage and Logic Input Level
            1. 9.2.2.2.2.1 Input Resistance
        3. 9.2.2.3 Application Curve
    3. 9.3 System Examples
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Nomenclature
    2. 10.2 Related Links
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
  14. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DBZ|3
    • MPDS108G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • snvscr4a_oa
  • snvscr4a_pm
search No matches found.
  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
  • Card for each section
  • Card with all content

 

Data Sheet

TLA431, TLA432 All-Capacitor Stable Precision Programmable Reference

1 Features

  • No output capacitor required
  • Stable with all capacitive loads
  • Reference voltage tolerance at 25°C
    • 1% (A grade)
  • Adjustable output voltage: Vref to 36V
  • Operation from −40°C to 125°C
  • Typical temperature drift (TLA43xA)
    • 8mV (I temp)
    • 11mV (Q temp)
  • Low Output Noise
  • 0.2Ω Typical output impedance
  • Sink-current capability: 0.2mA to 100mA
  • Pin-compatible with industry-standard TL431 and TL432

2 Applications

  • Rack server power
  • Industrial AC/DC
  • AC inverter & VF drives
  • Servo drive control module
  • Notebook PC power adapter design
TLA431 TLA432 Simplified SchematicSimplified Schematic

 
Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale