SLUSAU4B DECEMBER   2011  – February 2019 TPS53219A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  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 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  Enable and Soft-Start
      2. 7.3.2  Adaptive ON-Time D-CAP Control and Frequency Selection
      3. 7.3.3  Small Signal Model
      4. 7.3.4  Ramp Signal
      5. 7.3.5  Adaptive Zero Crossing
      6. 7.3.6  Output Discharge Control
      7. 7.3.7  Low-Side Driver
      8. 7.3.8  High-Side Driver
      9. 7.3.9  Power Good
      10. 7.3.10 Current Sense and Overcurrent Protection
      11. 7.3.11 Overvoltage and Undervoltage Protection
      12. 7.3.12 UVLO Protection
      13. 7.3.13 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Condition in Auto-Skip Operation
      2. 7.4.2 Forced Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application With Power Block
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 External Components Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application With Ceramic Output Capacitors
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 External Parts Selection With All Ceramic Output Capacitors
        3. 8.2.2.3 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 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Typical Characteristics

TPS53219A ivdd_v_t_lusaa8.pngFigure 1. VDD Supply Current vs Temperature
TPS53219A ovpuvp_v_lusaa8.pngFigure 3. OVP/UVP Threshold vs Temperature
TPS53219A fsw_v_iout300_lusaa8.pngFigure 5. Switching Frequency vs Output Current
TPS53219A fsw_v_iout750_lusaa8.pngFigure 7. Switching Frequency vs Output Current
TPS53219A fsw_v_vout_lusaa8.pngFigure 9. Switching Frequency vs Output Voltage
TPS53219A vout_v_vin_lusaa8.pngFigure 11. Output Voltage vs Input Voltage
TPS53219A wave01_lusaa8.pngFigure 13. Start-Up Waveform
TPS53219A wave03_lusaa8.pngFigure 15. Turnoff Waveform
TPS53219A ivddsn_v_t_lusaa8.pngFigure 2. VDD Shutdown Current vs Temperature
TPS53219A itrip_v_t_lusaa8.pngFigure 4. TRIP Pin Current vs Temperature
TPS53219A fsw_v_iout500_lusaa8.pngFigure 6. Switching Frequency vs Output Current
TPS53219A fsw_v_iout1000_lusaa8.pngFigure 8. Switching Frequency vs Output Current
TPS53219A linereg_lusaa8,png.pngFigure 10. Output Voltage vs Output Current
TPS53219A eff_v_iout_lusaa8.pngFigure 12. Efficiency vs Output Current
TPS53219A wave02_lusaa8.pngFigure 14. Prebias Start-Up Waveform
TPS53219A wave04_lusaa8.pngFigure 16. Load Transient Response