SLVS497F SEPTEMBER   2003  – June 2016 TPS65140 , TPS65141 , TPS65145

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 Dissipation Ratings
    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 Main Boost Converter
      2. 7.3.2 Power Good Output
      3. 7.3.3 Enable and Power-On Sequencing (EN, ENR)
      4. 7.3.4 Positive Charge Pump
      5. 7.3.5 Negative Charge Pump
      6. 7.3.6 Linear Regulator Controller
      7. 7.3.7 Soft Start
      8. 7.3.8 Fault Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enabling and Disabling the Device
  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 Boost Converter Design Procedure
          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
          4. 8.2.2.1.4  Rectifier Diode Selection
          5. 8.2.2.1.5  Converter Loop Design and Stability
          6. 8.2.2.1.6  Design Procedure Quick Steps
          7. 8.2.2.1.7  Setting the Output Voltage and Selecting the Feedforward Capacitor
          8. 8.2.2.1.8  Compensation
          9. 8.2.2.1.9  Negative Charge Pump
          10. 8.2.2.1.10 Positive Charge Pump
          11. 8.2.2.1.11 Linear Regulator Controller
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Community Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

9 Power Supply Recommendations

The TPS6514x devices are designed to operate from an input voltage supply range from 2.7 V to 5.8 V. This input supply must be well regulated. The input capacitance shown in the application schematics in this data sheet is sufficient for typical applications.