SLUSEE8 September   2022 TPS51383

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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  PWM Operation and D-CAP3 Control Mode
      2. 7.3.2  VCC LDO
      3. 7.3.3  Soft Start
      4. 7.3.4  Enable Control
      5. 7.3.5  Power Good
      6. 7.3.6  Overcurrent Protection and Undervoltage Protection
      7. 7.3.7  100-mA LDO with Switch Over
      8. 7.3.8  UVLO Protection
      9. 7.3.9  Overvoltage Protection
      10. 7.3.10 Output Voltage Discharge
      11. 7.3.11 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 MODE Pin
      2. 7.4.2 Out-Of-Audio™ Mode
      3. 7.4.3 Power Save Mode (PSM)
  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 External Component Selection
          1. 8.2.2.1.1 Inductor Selection
          2. 8.2.2.1.2 Output Capacitor Selection
          3. 8.2.2.1.3 Input Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • 4.5-V to 24-V input voltage range
  • 3.36-V output voltage (TPS51383)
  • 3.3-V, 100-mA LDO with switch over (TPS51383)
  • 1.82-V output voltage (TPS51384)
  • 1.8-V, 100-mA LDO with switch over (TPS51384)
  • Integrated 22-mΩ and 11-mΩ MOSFETs
  • Support 8-A continuous IOUT
  • 80-μA low quiescent current
  • ±1% reference voltage at 25°C
  • ±1.5% reference voltage at -40°C to 125°C
  • D-CAP3™ control mode for fast transient response
  • Support POSCAP and all MLCC output capacitor
  • Output discharge function
  • Selectable PSM and OOA mode under light load
  • Power-good indicator to monitor output voltage
  • Latched output OV and UV protection
  • Non-latched UVLO and OT protection
  • Cycle-by-cycle overcurrent protection
  • Built-in output discharge feature
  • Small 2.00-mm × 3.00-mm HotRod™ QFN package