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

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

11 器件和文档支持

11.1 Trademarks

All other trademarks are the property of their respective owners.

11.2 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

11.3 术语表

SLYZ022 — TI 术语表。

这份术语表列出并解释术语、首字母缩略词和定义。