SLVSAV0B April   2011  – October 2014 TPS55010

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Rating
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed Frequency PWM Control
      2. 8.3.2  Half Bridge and Bootstrap Voltage
      3. 8.3.3  Error Amplifier
      4. 8.3.4  Voltage Reference
      5. 8.3.5  Adjusting the Output Voltage
      6. 8.3.6  Enable and Adjusting Undervoltage Lockout
      7. 8.3.7  Adjusting Slow Start Time
      8. 8.3.8  Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      9. 8.3.9  How to Interface to RT/CLK Pin
      10. 8.3.10 Overcurrent Protection
      11. 8.3.11 Reverse Overcurrent Protection
      12. 8.3.12 FAULT Pin
      13. 8.3.13 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation of the Fly-Buck™ Converter
  9. 9 Application And Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1  Design Guide - Step-by-Step Design Procedure
      2. 9.2.2  Primary Side Voltage
      3. 9.2.3  Voltage Feedback
        1. 9.2.3.1 Turns Ratio
      4. 9.2.4  Selecting the Switching Frequency and Primary Inductance
      5. 9.2.5  Primary Side Capacitor
      6. 9.2.6  Secondary Side Diode
      7. 9.2.7  Secondary Side Capacitor
      8. 9.2.8  Input Capacitor
      9. 9.2.9  Y - Capacitor
      10. 9.2.10 Slow Start Capacitor
      11. 9.2.11 Bootstrap Capacitor Selection
      12. 9.2.12 UVLO Resistors
      13. 9.2.13 Compensation
      14. 9.2.14 Design Tips
      15. 9.2.15 How to Specify a Fly-Buck Transformer
      16. 9.2.16 Application Curves
    3. 9.3 Typical Application, Dual Output
      1. 9.3.1 Design Guide Requirements
      2. 9.3.2 Detailed Design Procedures
        1. 9.3.2.1 Primary Side Voltage for Dual Output
        2. 9.3.2.2 Turns Ratio
        3. 9.3.2.3 Voltage Feedback
        4. 9.3.2.4 Selecting the Switching Frequency and Primary Inductance
          1. 9.3.2.4.1 Primary Side Capacitor
          2. 9.3.2.4.2 Secondary Side Diode
          3. 9.3.2.4.3 Secondary Side Capacitor
          4. 9.3.2.4.4 Input Capacitor
        5. 9.3.2.5 Compensation
        6. 9.3.2.6 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

12 Device and Documentation Support

12.1 Device Support

12.1.1 Third-Party Products Disclaimer

TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.

12.2 Trademarks

Fly-Buck is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

12.3 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

12.4 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.