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

4 Device Comparison

PART NUMBEROUTPUT VOLTAGESW VALLEY CURRENT LIMIT (TYP.)DC START-UP CURRENT LIMT (TYP.)INPUT START-UP VOLTGAEEN I/O LOGICSPECIFIC FEATURES
TPS61253A5V4A1.5A2.3VSupports 1.8V logic I/OSupports output 5V, up to 1500mA
TPS612532A5V4A1.5A2.3VSupports 1.8V logic I/OSupports output 5V, up to 1500mA with output discharge function
TPS61253E

5.25V

4.5A1.5A

2.6V

Supports both 1.8V and 1.2V logic I/OSupports output 5.25V, up to 1500mA
TPS61253F

5V

4.5A1.5A2.3VSupports both 1.8V and 1.2V logic I/OSupports output 5V, up to 1500mA
TPS61254A(1)4.5V2.5A0.75A2.3VSupports 1.8V logic I/OSupports output 4.5V, up to 1000mA
TPS61255A(1)4.7V4A1.5A2.3VSupports 1.8V logic I/OSupports output 4.5V, up to 1500mA
TPS612561A(1)5V2.5A0.75A2.3VSupports 1.8V logic I/OSupports output 5V, up to 1000mA
TPS61258A(1)4.5V4A1.5A2.3VSupports 1.8V logic I/OSupports output 4.5V, up to 1500mA
TPS612592A(1)5.2V4A0.75A2.3VSupports 1.8V logic I/OSupports output 5.2V, up to 1500mA
TPS612531A(1)5V4A1.5A2.3VSupports 1.8V logic I/OSupports output 5V, up to 1500mA with PFM/PWM mode only
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