ZHCSLU7A September   2020  – August 2021 TPS54618C-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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 Timing Requirements
    7. 6.7 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  Fixed Frequency PWM Control
      2. 7.3.2  Slope Compensation and Output Current
      3. 7.3.3  Bootstrap Voltage (Boot) and Low Dropout Operation
      4. 7.3.4  Error Amplifier
      5. 7.3.5  Voltage Reference
      6. 7.3.6  Adjusting the Output Voltage
      7. 7.3.7  Enable and Adjusting Undervoltage Lockout
      8. 7.3.8  Soft-Start Pin
      9. 7.3.9  Sequencing
      10. 7.3.10 Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      11. 7.3.11 Overcurrent Protection
      12. 7.3.12 Frequency Shift
      13. 7.3.13 Reverse Overcurrent Protection
      14. 7.3.14 Synchronize Using the RT/CLK Pin
      15. 7.3.15 Power Good (PWRGD Pin)
      16. 7.3.16 Overvoltage Transient Protection
      17. 7.3.17 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Simple Small Signal Model for Peak Current Mode Control
      2. 7.4.2 Small Signal Model for Frequency Compensation
  8. 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 Step One: Select the Switching Frequency
        2. 8.2.2.2 Step Two: Select the Output Inductor
        3. 8.2.2.3 Step Three: Choose the Output Capacitor
        4. 8.2.2.4 Step Four: Select the Input Capacitor
        5. 8.2.2.5 Step Five: Choose the Soft-Start Capacitor
        6. 8.2.2.6 Step Six: Select the Bootstrap Capacitor
        7. 8.2.2.7 Step Eight: Select Output Voltage and Feedback Resistors
          1. 8.2.2.7.1 Output Voltage Limitations
        8. 8.2.2.8 Step Nine: Select Loop Compensation Components
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation Estimate
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Developmental Support
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  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

1 特性

  • 符合面向汽车应用的 AEC-Q100 标准：
    • 温度等级 1：-40°C 至 +125°C，TA
  • 提供功能安全
  • 两个可在 6A 负载下获得高效率的 12mΩ（典型值）MOSFET
  • 300kHz 至 2MHz 开关频率
  • 在工作温度范围（-40°C 至 +150°C）内
    具有 0.8V ±1% 电压基准
  • 与外部时钟同步
  • 可调缓启动和排序
  • 欠压 (UV) 和过压 (OV) 电源正常输出
  • 推出的新产品：TPS62816-Q1 采用具有可湿性侧面的 2mm x 3mm QFN 封装的 6V 降压转换器
  • 热增强型 3mm × 3mm、16 引脚 WQFN 封装