ZHCSPA4 march   2023 TPS548C26

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 绝对最大额定值
    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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Internal VCC LDO and Using an External Bias on VCC and VDRV Pin
      2. 7.3.2  Input Undervoltage Lockout (UVLO)
        1. 7.3.2.1 Fixed VCC_OK UVLO
        2. 7.3.2.2 Fixed VDRV UVLO
        3. 7.3.2.3 Fixed PVIN UVLO
        4. 7.3.2.4 Enable
      3. 7.3.3  Set the Output Voltage
      4. 7.3.4  Differential Remote Sense and Feedback Divider
      5. 7.3.5  Start-up and Shutdown
      6. 7.3.6  Loop Compensation
      7. 7.3.7  Set Switching Frequency and Operation Mode
      8. 7.3.8  Switching Node (SW)
      9. 7.3.9  Overcurrent Limit and Low-side Current Sense
      10. 7.3.10 Negative Overcurrent Limit
      11. 7.3.11 Zero-Crossing Detection
      12. 7.3.12 Input Overvoltage Protection
      13. 7.3.13 Output Undervoltage and Overvoltage Protection
      14. 7.3.14 Overtemperature Protection
      15. 7.3.15 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 Forced Continuous-Conduction Mode
      2. 7.4.2 Auto-Skip Eco-mode Light Load Operation
      3. 7.4.3 Powering the Device from a 12-V Bus
      4. 7.4.4 Powering the Device From a Split-rail Configuration
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Inductor Selection
        2. 8.2.3.2 Input Capacitor Selection
        3. 8.2.3.3 Output Capacitor Selection
        4. 8.2.3.4 VCC and VRDV Bypass Capacitor
        5. 8.2.3.5 BOOT Capacitor Selection
        6. 8.2.3.6 PG Pullup Resistor Selection
      4. 8.2.4 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Thermal Performance on TPS548C26 Evaluation Board
  9. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  10. 10Mechanical, 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

1 特性

  • 集成 4.0mΩ 和 1.0mΩ MOSFET，可实现 35A 持续电流运行
  • 支持 5V 外部偏置，可提高效率并实现 2.7V 最小输入电压
  • 0.8V 至 5.5V 输出电压范围
  • 提供精密电压基准和差分遥感，可实现高输出精度
    • 0°C 至 85°C TJ 时 VOUT 容差为 ±0.5%
    • -40°C 至 125°C TJ 时 VOUT 容差为 ±1%
  • D-CAP+™ 具有快速瞬态响应的控制拓扑，支持所有陶瓷输出电容器
  • 可通过 SS 引脚选择内部环路补偿
  • 提供可选逐周期谷值电流限制
  • 在 DCM 或 FCCM 运行模式下，可选工作频率为 0.6MHz 至 1.2MHz
  • 提供安全启动至预偏置输出
  • 可编程软启动时间为 1ms 至 8ms
  • 开漏电源正常输出 (PG)
  • 具有可选断续或闭锁响应的过流、过压、欠压、过热保护
  • 5mm × 6mm、37 引脚 WQFN-FCRLF 封装
  • TPS544C26 采用相同封装的 SVID/I2C 转换器