ZHCSCZ1B june   2014  – may 2023 TPS65262-1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Adjusting the Output Voltage
      2. 8.3.2  Enable and Adjusting UVLO
      3. 8.3.3  Soft-Start Time
      4. 8.3.4  Power-Up Sequencing
        1. 8.3.4.1 External Power Sequencing
        2. 8.3.4.2 Automatic Power Sequencing
      5. 8.3.5  V7V Low Dropout Regulator and Bootstrap
      6. 8.3.6  Out-of-Phase Operation
      7. 8.3.7  Output Overvoltage Protection (OVP)
      8. 8.3.8  PSM
      9. 8.3.9  Slope Compensation
      10. 8.3.10 Overcurrent Protection (OCP)
        1. 8.3.10.1 High-Side MOSFET OCP
        2. 8.3.10.2 Low-Side MOSFET OCP
      11. 8.3.11 Power Good
      12. 8.3.12 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation With VIN < 4.5 V (Minimum VIN)
      2. 8.4.2 Operation With EN Control
      3. 8.4.3 Operation at Light Loads
  10. 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 Output Inductor Selection
        2. 9.2.2.2 Output Capacitor Selection
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Loop Compensation
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 静电放电警告
    5. 10.5 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

1 特性

  • 工作输入电压范围：4.5V 至 18V
  • 反馈基准电压：0.6V ±1%
  • 最大连续输出电流：3A/1A/1A
  • 600kHz 固定开关频率
  • 集成双路 LDO：
    • 输入电压范围：1.3V 至 5.5V
    • 持续输出电流：350mA/150mA
  • 针对 Buck1 的可编程软启动时间
  • 针对 Buck2 和 Buck3 的固定软启动时间 1ms
  • 针对 Buck2 和 Buck3 的内部环路补偿
  • 针对每个降压转换器的专用使能引脚
  • 自动加电和断电序列
  • 轻负载条件下的脉冲跳跃模式 (PSM)
  • 输出电压电源正常状态指示器
  • 热过载保护