SLVSAB0B December   2010  – November 2014 TPS5401

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  Fixed Frequency PWM Control
      2. 7.3.2  Slope Compensation Output Current
      3. 7.3.3  Low-Dropout Operation and Bootstrap Voltage (BOOT)
      4. 7.3.4  Error Amplifier
      5. 7.3.5  Voltage Reference
      6. 7.3.6  Adjusting the Output Voltage
      7. 7.3.7  Enabling and Adjusting Undervoltage Lockout
      8. 7.3.8  Slow-Start/Tracking Pin (SS/TR)
      9. 7.3.9  Overload Recovery Circuit
      10. 7.3.10 Sequencing
      11. 7.3.11 Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      12. 7.3.12 Overcurrent Protection and Frequency Shift
      13. 7.3.13 Selecting the Switching Frequency
      14. 7.3.14 How to Interface to RT/CLK Pin
      15. 7.3.15 Power Good (PWRGD Pin)
      16. 7.3.16 Overvoltage Transient Protection
      17. 7.3.17 Thermal Shutdown
      18. 7.3.18 Current-Mode Compensation Design
    4. 7.4 Device Functional Modes
      1. 7.4.1 Pulse-Skip Eco-mode Control Scheme
  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  Switching Frequency
        2. 8.2.2.2  Output Voltage Setpoint
        3. 8.2.2.3  Input Capacitor
        4. 8.2.2.4  Output Inductor Selection
        5. 8.2.2.5  Output Capacitor
        6. 8.2.2.6  Catch Diode
        7. 8.2.2.7  Slow-Start Capacitor
        8. 8.2.2.8  Bootstrap Capacitor Selection
        9. 8.2.2.9  Undervoltage Lockout Set Point
        10. 8.2.2.10 Compensation
        11. 8.2.2.11 Discontinuous Mode and Eco-mode Control-Scheme Boundary
        12. 8.2.2.12 Power Dissipation Estimate
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Estimated Circuit Area
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
      2. 11.1.2 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Revision History

Changes from A Revision (December 2010) to B Revision

  • Deleted SWIFT™ from the data sheet titleGo
  • Deleted Features: "For SWIFT™ Power Products Documentation, see http://www.ti.com/swiftGo
  • Moved the Storage temperature range to the Absolute Maximum RatingsGo
  • Changed the Handling Ratings table To: ESD Ratings Go

Changes from * Revision (December 2010) to A Revision

  • Added, updated, or renamed the following sections: Device Information Table, Application and Implementation; Power Supply Recommendations; Layout; Device and Documentation Support; Mechanical, Packaging, and Ordering Information Go
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