SLUS828D December   2008  – October 2017 UCC28019A

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  Soft-Start
      2. 7.3.2  System Protection
        1. 7.3.2.1  VCC Undervoltage Lockout (UVLO)
        2. 7.3.2.2  Input Brown-Out Protection (IBOP)
        3. 7.3.2.3  Output Overvoltage Protection (OVP)
        4. 7.3.2.4  Open Loop Protection/Standby (OLP/Standby)
        5. 7.3.2.5  ISENSE Open-Pin Protection (ISOP)
        6. 7.3.2.6  Output Undervoltage Detection (UVD) and Enhanced Dynamic Response (EDR)
        7. 7.3.2.7  Over-Current Protection
        8. 7.3.2.8  Soft Over Current (SOC)
        9. 7.3.2.9  Peak Current Limit (PCL)
        10. 7.3.2.10 Current Sense Resistor, RISENSE
      3. 7.3.3  Gate Driver
      4. 7.3.4  Current Loop
      5. 7.3.5  ISENSE and ICOMP Functions
      6. 7.3.6  Pulse Width Modulator
      7. 7.3.7  Control Logic
      8. 7.3.8  Voltage Loop
      9. 7.3.9  Output Sensing
      10. 7.3.10 Voltage Error Amplifier
      11. 7.3.11 Non-Linear Gain Generation
    4. 7.4 Device Functional Modes
  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  Current Calculations
        2. 8.2.2.2  Bridge Rectifier
        3. 8.2.2.3  Input Capacitor
        4. 8.2.2.4  Boost Inductor
        5. 8.2.2.5  Boost Diode
        6. 8.2.2.6  Switching Element
        7. 8.2.2.7  Sense Resistor
        8. 8.2.2.8  Output Capacitor
        9. 8.2.2.9  Output Voltage Set Point
        10. 8.2.2.10 Loop Compensation
        11. 8.2.2.11 Brown Out Protection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Bias Supply
  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 Related Products
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

4 Revision History

Changes from C Revision (August 2015) to D Revision

  • Changed VCOMP and ICOMP MAX value from 7 V to 7.5 V.Go
  • Added VCOMP and ICOMP note. Go

Changes from B Revision (April 2009) to C Revision

  • Added 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
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