ZHCSEL6D November   2014  – February 2016 TPS54335-1A , TPS54335A , TPS54336A

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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 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  Fixed-Frequency PWM Control
      2. 7.3.2  Light-Load Operation
      3. 7.3.3  Voltage Reference
      4. 7.3.4  Adjusting the Output Voltage
      5. 7.3.5  Enabling and Adjusting Undervoltage Lockout
      6. 7.3.6  Error Amplifier
      7. 7.3.7  Slope Compensation and Output Current
      8. 7.3.8  Safe Startup into Pre-Biased Outputs
      9. 7.3.9  Bootstrap Voltage (BOOT)
      10. 7.3.10 Adjustable Switching Frequency (TPS54335A Only)
      11. 7.3.11 Soft-Start (TPS54336A Only)
      12. 7.3.12 Output Overvoltage Protection (OVP)
      13. 7.3.13 Overcurrent Protection
        1. 7.3.13.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.13.2 Low-Side MOSFET Overcurrent Protection
      14. 7.3.14 Thermal Shutdown
      15. 7.3.15 Small-Signal Model for Loop Response
      16. 7.3.16 Simple Small-Signal Model for Peak Current-Mode Control
      17. 7.3.17 Small-Signal Model for Frequency Compensation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VI < 4.5 V (minimum VI)
      2. 7.4.2 Operation With EN Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Supplementary Guidance
      2. 8.1.2 Differences Between the Two DRC Packages
    2. 8.2 Typical Applications
      1. 8.2.1 TPS5433xA and TPS54335-1A Family Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Switching Frequency
          2. 8.2.1.2.2 Output Voltage Set Point
          3. 8.2.1.2.3 Undervoltage Lockout Set Point
          4. 8.2.1.2.4 Input Capacitors
          5. 8.2.1.2.5 Output Filter Components
            1. 8.2.1.2.5.1 Inductor Selection
            2. 8.2.1.2.5.2 Capacitor Selection
          6. 8.2.1.2.6 Compensation Components
          7. 8.2.1.2.7 Bootstrap Capacitor
          8. 8.2.1.2.8 Power Dissipation Estimate
        3. 8.2.1.3 Application Curves
      2. 8.2.2 TPS54336A Typical Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 TPS54336A Design
          2. 8.2.2.2.2 Soft-Start Capacitor
        3. 8.2.2.3 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 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 相关链接
    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

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)
  • DRC|10
  • DDA|8
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 器件支持

11.1.1 开发支持

如需 WEBENCH 电路设计和选择仿真服务，请访问：www.ti.com/WEBENCH。

11.2 文档支持

11.2.1 相关文档　

相关文档如下：

《设计电流模式降压转换器的第 III 类补偿》（文献编号：SLVA352）

11.3 相关链接

以下表格列出了快速访问链接。范围包括技术文档、支持与社区资源、工具和软件，并且可以快速访问样片或购买链接。

Table 3. 相关链接

器件 产品文件夹 样片与购买 技术文章 工具与软件 支持与社区
TPS54335A 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处
TPS54335-1A 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处
TPS54336A 请单击此处 请单击此处 请单击此处 请单击此处 请单击此处

11.4 社区资源

The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.

    TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
    Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.

11.5 商标

PowerPAD, Eco-mode, E2E are trademarks of Texas Instruments.

WEBENCH is a registered trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

11.6 静电放电警告

esds-image

这些装置包含有限的内置 ESD 保护。 存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止 MOS 门极遭受静电损伤。

11.7 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.