ZHCS338D October   2011  – August 2016 TPS54295

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  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 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 PWM Operation
      2. 7.3.2 PWM Frequency and Adaptive On-Time Control
      3. 7.3.3 Auto-Skip Eco-Mode Control
      4. 7.3.4 Soft Start and Prebiased Soft Start
      5. 7.3.5 Overcurrent Protection
      6. 7.3.6 Overvoltage and Undervoltage Protection
      7. 7.3.7 UVLO Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Eco-Mode Operation
      3. 7.4.3 Standby Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    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 Resistors Selection
        2. 8.2.2.2 Output Filter Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Bootstrap Capacitor Selection
        5. 8.2.2.5 VREG5 Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档　
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  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

4 修订历史记录

Changes from C Revision (April 2013) to D Revision

  • Added 器件信息表，规范部分，ESD 额定值表，详细 说明部分，应用和实施部分，电源相关建议部分，布局部分，器件和文档支持部分以及机械、封装和可订购信息部分Go
  • Deleted 订购信息表；请参见数据表末尾的 POAGo
  • Deleted Operating ambient temperature from Absolute Maximum Ratings tableGo
  • Deleted Operating ambient temperature from Recommended Operating Conditions tableGo
  • Changed Operating junction temperature maximum value from 150 to 125 in Recommended Operating Conditions tableGo

Changes from B Revision (December 2011) to C Revision

  • 已添加“RSA-16 引脚封装”至订购信息表Go
  • 已更改 说明部分的 文本，以包含 RSA 封装Go
  • Added the RSA-16 Pin package pin outGo
  • Added Figure 26Go

Changes from A Revision (October 2011) to B Revision

  • Deleted MIN and MAX values from VVREG5 specificationGo
  • Deleted Line and Load regulation specs from VREG5 specificationGo
  • Added "Ensured by design. Not production tested" annotation to specifications for MOSFETs, ON-TIME TIMER CONTROl, and SOFT START.Go
  • Deleted MIN and MAX values from VUVREG5 specificationGo
  • Added "VIN = 12 V, TA = 25°C (unless otherwise noted)" to Typical Characteristics conditions statement.Go

Changes from * Revision (October 2011) to A Revision

  • Added indication for not production tested parameters.Go
  • Added Over/Under Voltage Protection DescriptionGo