ZHCS924D May   2012  – April 2021 TPS54526

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
    2. 6.2 Handling 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  PWM Operation
      2. 7.3.2  PWM Frequency and Adaptive On-Time Control
      3. 7.3.3  Soft Start and Pre-Biased Soft Start
      4. 7.3.4  Power Good
      5. 7.3.5  VREG5
      6. 7.3.6  Output Discharge Control
      7. 7.3.7  Current Protection
      8. 7.3.8  Over/Under Voltage Protection
      9. 7.3.9  UVLO Protection
      10. 7.3.10 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto-Skip Eco-Mode™ Control
  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 Step By Step Design Procedure
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Bootstrap Capacitor Selection
        6. 8.2.2.6 VREG5 Capacitor Selection
      3. 8.2.3 Application Curve
  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 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 Trademarks
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Thermal Information

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 (June 2014) to Revision D (April 2021)

  • 更新了整个文档中的表格、图和交叉参考的编号格式Go
  • Updated Equation 3 Go

Changes from Revision B (January 2014) to Revision C (June 2014)

  • 已将数据表更改为符合全新的 TI 标准格式Go
  • Added the Handling Ratings tableGo
  • Added the Timing Requirements tableGo
  • Added the Power Supply Recommendations sectionGo

Changes from Revision A (July 2013) to Revision B (January 2014)

  • 将数据表标题从“具有 Eco-mode™ 的 4.5V 至 18V 输入、5.5A 同步降压转换器”更改为“具有 Eco-mode™ 的 4.5V 至 18V 输入、3A 同步降压转换器”Go
  • Added RSA 16 PINS columns to Thermal Information tableGo

Changes from Revision * (May 2012) to Revision A (May 2013)

  • Changed the Over/Under Voltage Protection section. From: "as the high-side MOSFET driver turns off and the low-side MOSFET turns on" To: "as both the high-side and low-side MOSFET drivers turn off"Go
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