SLVSIF3B February   2025  – August 2026 TPS561300

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
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Fixed-Frequency PWM Control
      2. 6.3.2  Pulse Frequency Mode
      3. 6.3.3  Error Amplifier
      4. 6.3.4  Slope Compensation and Output Current
      5. 6.3.5  Enable and Adjusting Undervoltage Lockout
      6. 6.3.6  Safe Start-Up into Prebiased Outputs
      7. 6.3.7  Voltage Reference
      8. 6.3.8  Adjusting Output Voltage
      9. 6.3.9  Internal Soft Start
      10. 6.3.10 Bootstrap Voltage (BOOT)
      11. 6.3.11 Overcurrent Protection
        1. 6.3.11.1 High-Side MOSFET Overcurrent Protection
        2. 6.3.11.2 Low-Side MOSFET Overcurrent Protection
      12. 6.3.12 Spread Spectrum
      13. 6.3.13 Output Overvoltage Protection (OVP)
      14. 6.3.14 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Eco-mode Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 TPS561300 5V to 30V Input, 5V Output Converter
      2. 7.2.2 Design Requirements
      3. 7.2.3 Detailed Design Procedure
        1. 7.2.3.1 Input Capacitor Selection
        2. 7.2.3.2 Bootstrap Capacitor Selection
        3. 7.2.3.3 Output Voltage Setpoint
        4. 7.2.3.4 Undervoltage Lockout Setpoint
        5. 7.2.3.5 Inductor Selection
        6. 7.2.3.6 Output Capacitor Selection
        7. 7.2.3.7 Feed-Forward Capacitor
      4. 7.2.4 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

7.2.4 Application Curves

The following data is tested with VIN = 24V, VOUT = 5V, L = 12µH, TA = 25°C, unless otherwise specified.

TPS561300 TPS561300EVM Output Voltage Ripple, IOUT = 1AFigure 7-2 TPS561300EVM Output Voltage Ripple, IOUT = 1A
TPS561300 TPS561300EVM Load Transient Response, 0.5A to 1A Load StepFigure 7-4 TPS561300EVM Load Transient Response, 0.5A to 1A Load Step
TPS561300 TPS561300EVM Start-Up Relative to VINFigure 7-6 TPS561300EVM Start-Up Relative to VIN
TPS561300 TPS561300EVM Efficiency vs Output CurrentFigure 7-8 TPS561300EVM Efficiency vs Output Current
TPS561300 TPS561300EVM Line Regulation, IOUT = 1AFigure 7-10 TPS561300EVM Line Regulation, IOUT = 1A
TPS561300 TPS561300EVM Output Voltage Ripple, IOUT = 0.01AFigure 7-3 TPS561300EVM Output Voltage Ripple, IOUT = 0.01A
TPS561300 TPS561300EVM Load Transient Response, 0.2A to 0.8A Load StepFigure 7-5 TPS561300EVM Load Transient Response, 0.2A to 0.8A Load Step
TPS561300 TPS561300EVM Shutdown Relative to VINFigure 7-7 TPS561300EVM Shutdown Relative to VIN
TPS561300 TPS561300EVM Load RegulationFigure 7-9 TPS561300EVM Load Regulation
TPS561300 TPS561300EVM Drop OutFigure 7-11 TPS561300EVM Drop Out