ZHCSG73A April   2017  – September 2020 TPS561201 , TPS561208

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Adaptive On-Time Control and PWM Operation
      2. 7.3.2 Pulse Skip Control (TPS561201)
      3. 7.3.3 Soft Start and Pre-Biased Soft Start
      4. 7.3.4 Current Protection
      5. 7.3.5 Undervoltage Lockout (UVLO) Protection
      6. 7.3.6 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. 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 Custom Design With WEBENCH® Tools
        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
      3. 8.2.3 Application Curves
  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 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, 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

  • TPS561201 和 TPS561208 1A 转换器集成了 140mΩ 和 84mΩ FET
  • {1}D-CAP2{2} 模式控制,用于快速瞬态响应
  • 输入电压范围:4.5V 至 17V
  • 输出电压范围:0.76V 至 7V
  • 脉冲跳跃模式 (TPS561201) 或持续电流模式 (TPS561208)
  • 580kHz 开关频率
  • 低关断电流(低于 10µA)
  • 2% 反馈电压精度 (25°C)
  • 从预偏置输出电压启动
  • 逐周期过流限制
  • 断续模式过流保护
  • 非锁存欠压保护 (UVP) 和热关断 (TSD) 保护
  • 固定软启动:1.0ms
  • 使用 TPS56120x 并借助 WEBENCH® 电源设计器创建定制设计方案