SLUS161F April   1999  – May 2020 UCC2813-0 , UCC2813-1 , UCC2813-2 , UCC2813-3 , UCC2813-4 , UCC2813-5 , UCC3813-0 , UCC3813-1 , UCC3813-2 , UCC3813-3 , UCC3813-4 , UCC3813-5

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Block Diagram
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 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  Detailed Pin Descriptions
        1. 8.3.1.1 COMP
        2. 8.3.1.2 CS
        3. 8.3.1.3 FB
        4. 8.3.1.4 GND
        5. 8.3.1.5 OUT
        6. 8.3.1.6 RC
        7. 8.3.1.7 REF
        8. 8.3.1.8 VCC
      2. 8.3.2  Undervoltage Lockout (UVLO)
      3. 8.3.3  Self-Biasing, Active Low Output
      4. 8.3.4  Reference Voltage
      5. 8.3.5  Oscillator
      6. 8.3.6  Synchronization
      7. 8.3.7  PWM Generator
      8. 8.3.8  Minimum Off-Time Adjustment (Dead-Time Control)
      9. 8.3.9  Leading Edge Blanking
      10. 8.3.10 Minimum Pulse Width
      11. 8.3.11 Current Limiting
      12. 8.3.12 Overcurrent Protection and Full-Cycle Restart
      13. 8.3.13 Soft Start
      14. 8.3.14 Slope Compensation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation
      2. 8.4.2 UVLO Mode
      3. 8.4.3 Soft-Start Mode
      4. 8.4.4 Fault Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1  Bulk Capacitor Calculation
        2. 9.2.2.2  Transformer Design
        3. 9.2.2.3  MOSFET and Output Diode Selection
        4. 9.2.2.4  Output Capacitor Calculation
        5. 9.2.2.5  Current Sensing Network
        6. 9.2.2.6  Gate Drive Resistor
        7. 9.2.2.7  REF Bypass Capacitor
        8. 9.2.2.8  RT and CT
        9. 9.2.2.9  Start-Up Circuit
        10. 9.2.2.10 Voltage Feedback Compensation Procedure
          1. 9.2.2.10.1 Power Stage Gain, Zeroes, and Poles
          2. 9.2.2.10.2 Compensating the Loop
      3. 9.2.3 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 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • D|8
  • PW|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Revision History

Changes from E Revision (August, 2016) to F Revision

  • Added Notes under Abs Max Section.Go
  • Changed Power Supply section to reflect power up of the deviceGo

Changes from D Revision (May 2013) to E 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

Changes from C Revision (August 2010) to D Revision

  • Added temperature range table note to second part of ordering information table for clarity in new datasheet formatGo
  • Added TI's general Absolute Maximum Ratings table note to end of ABSOLUTE MAXIMUM RATINGS tableGo
  • Added Thermal Information Table.Go
  • Added UCCX813-3 to Total variation test condition line containing UCCx813-5 in ELECTRICAL CHARACTERISTICS tableGo
  • Changed part numbers in Dead Time vs CT, RT = 100 k graph in APPLICATION INFORMATIONGo
  • Changed layout from Unitrode Products datasheet to TI datasheetGo

Changes from B Revision (April 2008) to C Revision

  • Added Analog inputs RC and COMP in the Absolute Maximum Ratings tableGo
  • Added clarification to Analog Inputs min-max range in the Absolute Maximum Ratings tableGo
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