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