ZHCS453D August   2011  – April 2021 TPS53353

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings (1)
    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 5-V LDO and VREG Start-Up
      2. 7.3.2 Adaptive On-Time D-CAP™ Control and Frequency Selection
      3. 7.3.3 Ramp Signal
      4. 7.3.4 Adaptive Zero Crossing
      5. 7.3.5 Power-Good
      6. 7.3.6 Current Sense, Overcurrent and Short Circuit Protection
      7. 7.3.7 Overvoltage and Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Small Signal Model
      2. 7.4.2 Enable, Soft Start, and Mode Selection
      3. 7.4.3 Auto-Skip Eco-mode™ Light Load Operation
      4. 7.4.4 Forced Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application Circuit Diagram
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 External Component Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application Circuit Diagram With Ceramic Output Capacitors
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 External Component Selection
          2. 8.2.2.2.2 External Component Selection Using All Ceramic Output Capacitors
        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. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表

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 Revision History

Changes from Revision C (December 2016) to Revision D (April 2021)

  • 添加了特性：可选“绿色环保”（符合 RoHS 标准）Go
  • 向Section 1添加了 TPS548B28 信息，作为封装尺寸更小的较新 20A 器件Go
  • 更新了整个文档中的表格、图和交叉参考的编号格式Go
  • 在 Section 3 中将 TPS548B28 信息添加为更新的 20A 器件 更小的封装Go
  • Changed the EN waveform and overall delay time on Figure 7-1 and updated and moved the Figure 7-1 note into the Section 7.3.1 description Go
  • Added BST Resistor Selection to Section 8.2.2.2.1 Go
  • Added Equation 19 and supporting informationGo
  • MODE and RF pins updated in Figure 10-1 Go

Changes from Revision B (February 2015) to Revision C (February 2016)

  • 将数据表标题从“TPS53353 具有 Eco-mode™ 的高效 20A 同步降压转换器”更改为“TPS53353 具有 Eco-mode™ 的 20A 高效同步降压 SWIFT™ 转换器”Go
  • 添加了 Section 1 ：“对于 SWIFT™ 电源产品文档...”Go

Changes from Revision A (April 2012) to Revision B (February 2015)

  • 添加了引脚配置和功能 部分、ESD 等级 表、特性说明 部分、器件功能模式、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

Changes from Revision Original (August 2011) to Revision A (April 2012)

  • 将转换输入电压从“3V”更改为“1.5V”Go
  • Changed VIN input voltage range minimum from "3 V" to "1.5 V"Go
  • Changed to correct typographical error in THERMAL INFORMATION tableGo
  • Changed VIN (main supply) input voltage range minimum from "3 V' to "1.5 V" in Section 6.3 Go
  • Changed conversion input voltage range from "3 V" to "1.5" in Section 7.1 Go
  • Added note to the Section 7.3 Go
  • Changed "ripple injection capacitor" to "ripple injection resistor" in the last bullet of the Layout Guidelines sectionGo