SLVSEI2A November   2018  – May 2019 TPS56339

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      TPS56339 Efficiency
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Advanced Emulated Current Mode Control
      2. 7.3.2 Enable and Adjusting Undervoltage Lockout
      3. 7.3.3 Soft Start and Pre-Biased Soft Start
      4. 7.3.4 Voltage Reference
      5. 7.3.5 Minimum ON-time, Minimum OFF-time and Frequency Foldback at Dropout Conditions
      6. 7.3.6 Overcurrent and Undervoltage Protection
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 CCM Operation
    5. 7.5 Light-Load Operation
  8. 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 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Inductor Selection
        4. 8.2.2.4 Output Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
        6. 8.2.2.6 Bootstrap Capacitor Selection
      3. 8.2.3 Undervoltage Lockout Set Point
      4. 8.2.4 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Related Links
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

8.2.4 Application Curves

VIN = 12 V, L1= 5.6 µH, COUT = 44 µF, TA = 25 °C. (unless otherwise noted)
TPS56339 Eff-5V_SLVSEI2.gif
Figure 18. Efficiency
TPS56339 LineRegulation-5V_SLVSEI2.gif
Figure 20. Line Regulation
TPS56339 CaseTemp_SLVSEI2.gif
A.
Figure 22. Case Temperature Rise vs Load Current
TPS56339 SS-0p3A-SLVSEI2.gif
Figure 24. Steady State Waveforms, IOUT = 0.3 A
TPS56339 LT0-3A-SLVSEI2.gif
Figure 26. Transient Response 1.5 to 3 A
TPS56339 StartupVin-SLVSEI2.gif
Figure 28. Startup Relative to VIN
TPS56339 StartupEN-SLVSEI2.gif
1.
Figure 30. Enable Relative to EN
TPS56339 OutputShort-SLVSEI2.gif
A.
Figure 32. Short Protection
TPS56339 LoadRegulation-5V_SLVSEI2.gif
Figure 19. Load Regulation
TPS56339 Dropout5V_SLVSEI2.gif
Figure 21. Dropout Curve
TPS56339 SS-0A-SLVSEI2.gif
Figure 23. Steady State Waveforms, IOUT = 0 A
TPS56339 SS-3A-SLVSEI2.gif
Figure 25. Steady State Waveforms, IOUT = 3 A
TPS56339 LT0P3-2p7A-SLVSEI2.gif
Figure 27. Transient Response 0.3 to 2.7 A
TPS56339 ShutdownVin-SLVSEI2.gif
Figure 29. Shutdown Relative to VIN
TPS56339 ShutdownEN-SLVSEI2.gif
1.
Figure 31. Disable Relative to EN
TPS56339 OutputRecovery-SLVSEI2.gif
A.
Figure 33. Short Recovery