ZHCSLD3B May   2020  – December 2023 TPS566231 , TPS566238

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 PWM Operation and D-CAP3™ Control Mode
      2. 6.3.2 Soft Start
      3. 6.3.3 Power Good
      4. 6.3.4 Large Duty Operation
      5. 6.3.5 Overcurrent Protection and Undervoltage Protection
      6. 6.3.6 Overvoltage Protection
      7. 6.3.7 UVLO Protection
      8. 6.3.8 Output Voltage Discharge
      9. 6.3.9 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Advanced Eco-mode Control
      2. 6.4.2 Force CCM Mode
      3. 6.4.3 Standby Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Custom Design with WEBENCH® Tools
        2. 7.2.2.2 Output Voltage Setpoint
        3. 7.2.2.3 Inductor Selection
        4. 7.2.2.4 Output Capacitor Selection
        5. 7.2.2.5 Input Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design with WEBENCH® Tools
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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7.3 Power Supply Recommendations

The TPS56623x is intended to be powered by a well-regulated dc voltage. The input voltage range is 3 V to 18 V. The input supply voltage must be greater than the desired output voltage for proper operation. Input supply current must be appropriate for the desired output current. TI recommends additional bulk capacitance if the input voltage supply is located far from the TPS56623x circuit. Typical values are 100 μF to 470 μF.