ZHCSEW7A December   2015  – April 2016 TPS54A20

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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Frequency Selection
      2. 7.3.2  External Clock Syncronization
      3. 7.3.3  Adjusting the Output Voltage
      4. 7.3.4  Soft Start
      5. 7.3.5  Startup into Pre-biased Outputs
      6. 7.3.6  Power Good (PGOOD)
      7. 7.3.7  Overcurrent Protection
      8. 7.3.8  Light Load Operation
      9. 7.3.9  Output Undervoltage/Overvoltage Protection
      10. 7.3.10 Input Undervoltage/Overvoltage Lockout
      11. 7.3.11 Enable and Adjusting Undervoltage Lockout
      12. 7.3.12 Series Capacitor Monitoring
        1. 7.3.12.1 Dropping Below 35% Threshold
        2. 7.3.12.2 Rising Above 65% Threshold
      13. 7.3.13 Thermal Shutdown
      14. 7.3.14 Phase A Power Stage
      15. 7.3.15 Phase B Power Stage
      16. 7.3.16 Internal Gate Drive Regulator
      17. 7.3.17 Voltage Feed Forward
      18. 7.3.18 Internal Oscillator
      19. 7.3.19 Pulse Frequency Detector
      20. 7.3.20 On-Time Generator
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Two-Phase Series Capacitor Buck Converter Topology
      2. 8.1.2 Converter Switch Configurations
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Output Voltage
        2. 8.2.2.2  Switching Frequency
        3. 8.2.2.3  On-Time
        4. 8.2.2.4  Inductor Selection
        5. 8.2.2.5  Output Capacitor Selection
        6. 8.2.2.6  Input Capacitor Selection
        7. 8.2.2.7  Series Capacitor Selection
        8. 8.2.2.8  Soft-Start Time Selection
        9. 8.2.2.9  Bootstrap Capacitor Selection
        10. 8.2.2.10 Gate Drive Capacitor Selection
        11. 8.2.2.11 Under Voltage Lockout Set Point
        12. 8.2.2.12 Current Limit Selection
      3. 8.2.3 Application Curves
  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 文档支持
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

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)
  • RNJ|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

12 机械、封装和可订购信息

以下页中包括机械、封装和可订购信息。这些信息是针对指定器件可提供的最新数据。这些数据会在无通知且不对本文档进行修订的情况下发生改变。欲获得该数据表的浏览器版本，请查阅左侧的导航栏。