SLUS786H OCTOBER   2007  – January 2015 TPS51125

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 Operations
      2. 7.3.2  Adaptive On-Time Control and PWM Frequency
      3. 7.3.3  Loop Compensation
      4. 7.3.4  Ramp Signal
      5. 7.3.5  Light-Load Condition in Auto-Skip Operation
      6. 7.3.6  Out-of-Audio Light-Load Operation
      7. 7.3.7  VREG5/VREG3 Linear Regulators
      8. 7.3.8  VREG5 Switch Over
      9. 7.3.9  VREG3 Switch Over
      10. 7.3.10 Powergood
      11. 7.3.11 Output Discharge Control
      12. 7.3.12 Low-Side Driver
      13. 7.3.13 High-Side Driver
      14. 7.3.14 VCLK for Charge Pump
      15. 7.3.15 Current Protection
      16. 7.3.16 Overvoltage and Undervoltage Protection
      17. 7.3.17 UVLO Protection
      18. 7.3.18 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable and Soft-Start
  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 Determine Output Voltage
        2. 8.2.2.2 Choose the Inductor
        3. 8.2.2.3 Choose the Output Capacitors
        4. 8.2.2.4 Choose the Low-Side MOSFET
      3. 8.2.3 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 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

4 Revision History

Changes from G Revision (June 2012) to H Revision

  • Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go

Changes from F Revision (March 2012) to G Revision

  • Added electrostatic discharge ratings in Absolute Maximum Ratings table. Go

Changes from E Revision (May 2011) to F Revision

  • Added Input voltage range parameter, LL1, LL2, pulse width < 20 ns with a value of -5 V to 30 V.Go