ZHCSMN1A December   2015  – January 2021 TPS62097

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Device Options
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommend Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 100% Duty Cycle Mode
      2. 8.3.2 Switch Current Limit and Hiccup Short Circuit Protection
      3. 8.3.3 Undervoltage Lockout (UVLO)
      4. 8.3.4 Thermal Shutdown
    4. 8.4 Device Function Modes
      1. 8.4.1 Enable and Disable (EN)
      2. 8.4.2 Power Save Mode and Forced PWM Mode (MODE)
      3. 8.4.3 Soft Start-up (SS/TR)
      4. 8.4.4 Voltage Tracking (SS/TR)
      5. 8.4.5 Power Good (PG)
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 1.2-V Output Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting the Output Voltage
        2. 9.2.2.2 Output Filter Design
        3. 9.2.2.3 Inductor Selection
        4. 9.2.2.4 Capacitor Selection
      3. 9.2.3 Application Performance Curves
      4. 9.2.4 Coincidental Voltage Tracking
        1. 9.2.4.1 Design Requirements
        2. 9.2.4.2 Detailed Design Procedure
        3. 9.2.4.3 Application Performance Curve
      5. 9.2.5 Switching Frequency Selection
        1. 9.2.5.1 Design Requirements
        2. 9.2.5.2 Detailed Design Procedure
        3. 9.2.5.3 Application Performance Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Information
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方产品免责声明
    2. 12.2 支持资源
    3. 12.3 接收文档更新通知
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable 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

特性

  • 推出的新产品:采用 SOT583 封装的 TPS62851x 6V、0.5A/1A/2A 降压转换器
  • iDCS-Control 拓扑
  • 强制 PWM 或省电模式
  • 效率高达 97%
  • 2.5V 至 6.0V 输入电压
  • 可调输出电压:0.8V 至 VIN
  • 1.8V 和 3.3V 固定输出电压
  • ±1% 的输出电压精度
  • 断续短路保护
  • 可编程软启动
  • 输出电压跟踪
  • 可选开关频率
  • 100% 占空比,可实现超低压降
  • 输出放电
  • 电源正常状态输出
  • 热关断保护
  • -40°C 至 125°C 的工作结温范围
  • 采用 2mm × 2mm VQFN 封装