ZHCSCP2 July   2014 UCC28880

PRODUCTION DATA.  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 修订历史记录
5. 5 Pin Configuration and Functions
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 Handling Ratings
   3. 6.3 Recommended Operating Conditions
   4. 6.4 Thermal Information
   5. 6.5 Electrical Characteristics
   6. 6.6 Switching Characteristics
   7. 6.7 Typical Characteristics
7. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
   4. 7.4 Device Functional Modes
      1. 7.4.1 Startup Operation
      2. 7.4.2 Feedback and Voltage Control Loop
      3. 7.4.3 PWM Controller
      4. 7.4.4 Current Limit
      5. 7.4.5 Inductor Current Runaway Protection
      6. 7.4.6 Over-Temperature Protection
8. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 12-V, 100-mA Low-Side Buck Converter
         1. 8.2.1.1 Design Requirements
         2. 8.2.1.2 Detailed Design Procedure
            1. 8.2.1.2.1 Input Stage (RF, D2, D3, C1, C2, L2)
            2. 8.2.1.2.2 Regulator Capacitor (CVDD)
            3. 8.2.1.2.3 Freewheeling Diode (D1)
            4. 8.2.1.2.4 Inductor (L1)
            5. 8.2.1.2.5 Output Capacitor (CL)
            6. 8.2.1.2.6 Load Resistor (RL)
            7. 8.2.1.2.7 Feedback Path (Q1, RFB1, RFB2)
         3. 8.2.1.3 Application Curves
      2. 8.2.2 12-V, 100-mA, High-Side Buck Converter
         1. 8.2.2.1 Design Requirements
         2. 8.2.2.2 Detailed Design Procedure
            1. 8.2.2.2.1 Feedback path (CFB, RFB1 and RFB2) and Load Resistor (RL)
         3. 8.2.2.3 Application Curves
      3. 8.2.3 Additional UCC28880 Application Topologies
         1. 8.2.3.1 Low-Side Buck and LED Driver - Direct Feedback (level-shifted)
         2. 8.2.3.2 12-V, 100-mA High-Side Buck Converter
         3. 8.2.3.3 Non-Isolated, Low-Side Buck-Boost Converter
         4. 8.2.3.4 9.5 Non-Isolated, High-Side Buck-Boost Converter
         5. 8.2.3.5 9.6 Non-Isolated Flyback Converter
         6. 8.2.3.6 Isolated Flyback Converter
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
11. 11器件和文档支持
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 术语表
12. 12机械封装和可订购信息