SLVSD26C April   2016  – February 2026 TPS54202

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 Timing Requirements
    7. 5.7 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 Skip Mode
      3. 6.3.3  Error Amplifier
      4. 6.3.4  Slope Compensation and Output Current
      5. 6.3.5  Enable and Adjusting Under Voltage Lockout
      6. 6.3.6  Safe Startup into Pre-Biased 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 TPS54202 8V to 28V 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 Set Point
        4. 7.2.3.4 Undervoltage Lockout Set Point
        5. 7.2.3.5 Output Filter Components
          1. 7.2.3.5.1 Inductor Selection
          2. 7.2.3.5.2 Output Capacitor Selection
          3. 7.2.3.5.3 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 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.7 Typical Characteristics

VIN = 12V, unless otherwise specified

TPS54202 Shutdown Quiescent Current vs Junction TemperatureFigure 5-1 Shutdown Quiescent Current vs Junction Temperature
TPS54202 High-Side Resistance vs Junction TemperatureFigure 5-3 High-Side Resistance vs Junction Temperature
TPS54202 Reference Voltage vs Junction TemperatureFigure 5-5 Reference Voltage vs Junction Temperature
TPS54202 High-Side Current Limit Threshold vs Junction TemperatureFigure 5-7 High-Side Current Limit Threshold vs Junction Temperature
TPS54202 BOOT-SW UVLO Threshold vs Junction TemperatureFigure 5-9 BOOT-SW UVLO Threshold vs Junction Temperature
TPS54202 EN Threshold vs Junction TemperatureFigure 5-11 EN Threshold vs Junction Temperature
TPS54202 Non-Switching Operating Quiescent Current vs Junction TemperatureFigure 5-2 Non-Switching Operating Quiescent Current vs Junction Temperature
TPS54202 Low-Side FET On Resistance vs Junction TemperatureFigure 5-4 Low-Side FET On Resistance vs Junction Temperature
TPS54202 Center Switching Frequency vs Junction TemperatureFigure 5-6 Center Switching Frequency vs Junction Temperature
TPS54202 Low-Side Current Limit Threshold vs Junction TemperatureFigure 5-8 Low-Side Current Limit Threshold vs Junction Temperature
TPS54202 VIN UVLO Threshold vs Junction TemperatureFigure 5-10 VIN UVLO Threshold vs Junction Temperature
TPS54202 EN Hysteresis Current vs Junction TemperatureFigure 5-12 EN Hysteresis Current vs Junction Temperature