ZHCSEL3B November   2015  – January 2016 UCC28881

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Device Comparison
  6. 6 Pin Configuration and 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 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 Start-Up Operation
      2. 8.4.2 Feedback and Voltage Control Loop
      3. 8.4.3 PWM Controller
      4. 8.4.4 Current Limit
      5. 8.4.5 Inductor Current Runaway Protection
      6. 8.4.6 Over Temperature Protection
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 13-V, 225-mA High-Side Buck Converter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Input Stage (RF, D2, D3, C1, C2, L2)
          2. 9.2.1.2.2 Regulator Capacitor (CVDD)
          3. 9.2.1.2.3 Freewheeling Diode (D1)
          4. 9.2.1.2.4 Output Capacitor (CL)
          5. 9.2.1.2.5 Pre-Load Resistor (RL)
          6. 9.2.1.2.6 Inductor (L1)
          7. 9.2.1.2.7 Feedback Path (CFB, RFB1 and RFB2) and Load Resistor (RL)
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Additional UCC28881 Application Topologies
        1. 9.2.2.1 Low-Side Buck and LED Driver - Direct Feedback (Level Shifted)
        2. 9.2.2.2 High-Side Buck Converter
        3. 9.2.2.3 Non-Isolated, Low-Side Buck-Boost Converter
        4. 9.2.2.4 Non-Isolated, High-Side Buck-Boost Converter
        5. 9.2.2.5 Non-Isolated Flyback Converter
        6. 9.2.2.6 Isolated Flyback Converter
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

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 修订历史记录

Changes from A Revision (December 2015) to B Revision

  • Changed 文档标题“UCC28881 700V、225mA 低静态电流离线开关”至“UCC28881 700V、225mA 低静态电流离线转换器”。Go

Changes from * Revision (November 2015) to A Revision

  • Changed 销售状态“米6体育平台手机版_好二三四预览”至“量产数据”。Go
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