ZHCSLR2C August   2020  – March 2022 TPS61288

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended 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 Enable and Start-up
      2. 8.3.2 Undervoltage Lockout (UVLO)
      3. 8.3.3 Switching Peak Current Limit
      4. 8.3.4 Overvoltage Protection
      5. 8.3.5 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 PWM
      2. 8.4.2 PFM
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting Output Voltage
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Output Capacitor Selection
        5. 9.2.2.5 Loop Stability
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 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

  • 具有 HotRod™ Lite 选项的 2.5mm × 3.0mm QFN 封装
    • TPS61288 HotRod
    • TPS61288L HotRod Lite
    • 建议使用 TPS61288L 进行热性能改进
  • 宽输入电压和输出电压范围
    • VIN:2.0 V 至 18 V
    • 启动时的最小输入电压为 2.4V
    • VOUT:4.5V 至 18V
  • 较高的效率和功率容量
    • 开关电流峰值限制:15A
    • 两个 6.5mΩ (LS)/8.5mΩ (HS) MOSFET
    • 开关频率:500kHz
    • 效率高达 94.7%(VIN = 3.6V、VOUT = 13V 且 IOUT = 2A 时)
    • 效率高达 96.9%(VIN = 7.2V、VOUT = 16V 且 IOUT = 2.5A 时)
  • 延长系统运行时间
    • VOUT 引脚静态电流典型值为 110µA
    • 关断期间,VIN 引脚的电流最大值为 2.1µA
    • 在轻负载和低占空比下平滑导通时间/关断时间 (SOO) 调制,并且 PFM 和 PWM 之间没有直流失调电压

  • 丰富的保护特性
    • 19 V 输出过压保护
    • 逐周期过流保护
    • 热关断