SLVSDE4F March   2017  – January 2026 TPS61253A , TPS61253E , TPS61253F

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Start-up
      2. 7.3.2 Enable and Disable
      3. 7.3.3 Undervoltage Lockout (UVLO)
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Load Disconnection
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto PFM Mode
      2. 7.4.2 Forced PWM Mode
      3. 7.4.3 Ultrasonic Mode
      4. 7.4.4 Pass-Through Mode
  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 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Output Capacitor
        4. 8.2.2.4 Input Capacitor
        5. 8.2.2.5 Checking Loop Stability
        6. 8.2.2.6 Application Curves
      3. 8.2.3 System Examples
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
      3. 8.4.3 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

10 Revision History

Changes from Revision E (June 2023) to Revision F (January 2026)

  • Added TPS61253F deviceGo
  • Added explanation of the differences between TPS61253F, TPS61253A, TPS61253E and TPS612532AGo

Changes from Revision D (January 2021) to Revision E (June 2023)

  • TPS61253E initial releaseGo

Changes from Revision C (November 2020) to Revision D (January 2021)

  • Adding HS FET to the functional block diagramGo