SLUSBL7B December   2013  – October 2015 UCC28722

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 Device Bias Voltage Supply (VDD)
      2. 7.3.2 Ground (GND)
      3. 7.3.3 Voltage-Sense (VS)
      4. 7.3.4 Base Drive (DRV)
      5. 7.3.5 Current Sense (CS)
        1. 7.3.5.1 Example
      6. 7.3.6 Cable Compensation (CBC)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Primary-Side Voltage Regulation
      2. 7.4.2 Primary-Side Current Regulation
      3. 7.4.3 Valley Switching
      4. 7.4.4 Start-Up Operation
      5. 7.4.5 Fault Protection
  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 Stand-by Power Estimate
        2. 8.2.2.2 Input Bulk Capacitance and Minimum Bulk Voltage
        3. 8.2.2.3 Transformer Turns Ratio, Inductance, Primary-Peak Current
        4. 8.2.2.4 Transformer Parameter Verification
        5. 8.2.2.5 Output Capacitance
        6. 8.2.2.6 VDD Capacitance, CDD
        7. 8.2.2.7 VS Resistor Divider, Line Compensation, and Cable Compensation
        8. 8.2.2.8 Startup Resistance and Startup Time
      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 Device Nomenclature
        1. 11.1.1.1 Definition of Terms
          1. 11.1.1.1.1  Capacitance Terms in Farads
          2. 11.1.1.1.2  Duty Cycle Terms
          3. 11.1.1.1.3  Frequency Terms in Hertz
          4. 11.1.1.1.4  Current Terms in Amperes
          5. 11.1.1.1.5  Current and Voltage Scaling Terms
          6. 11.1.1.1.6  Transformer Terms
          7. 11.1.1.1.7  Power Terms in Watts
          8. 11.1.1.1.8  Resistance Terms in Ω
          9. 11.1.1.1.9  Timing Terms in Seconds
          10. 11.1.1.1.10 Voltage Terms in Volts
          11. 11.1.1.1.11 AC Voltage Terms in VRMS
          12. 11.1.1.1.12 Efficiency Terms
    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

Package Options

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

12 Mechanical, Packaging, and Orderable Information

The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation.