ZHCSTQ9 January   2024 TPSM843620E

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 (Module)
    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  VIN Pins and VIN UVLO
      2. 6.3.2  Enable and Adjustable UVLO
      3. 6.3.3  Adjusting the Output Voltage
      4. 6.3.4  Switching Frequency Selection
      5. 6.3.5  Switching Frequency Synchronization to an External Clock
        1. 6.3.5.1 Internal PWM Oscillator Frequency
        2. 6.3.5.2 Loss of Synchronization
        3. 6.3.5.3 Interfacing the SYNC/FSEL Pin
      6. 6.3.6  Ramp Amplitude Selection
      7. 6.3.7  Soft Start and Prebiased Output Start-Up
      8. 6.3.8  Mode Pin
      9. 6.3.9  Power Good (PGOOD)
      10. 6.3.10 Current Protection
        1. 6.3.10.1 Positive Inductor Current Protection
        2. 6.3.10.2 Negative Inductor Current Protection
      11. 6.3.11 Output Overvoltage and Undervoltage Protection
      12. 6.3.12 Overtemperature Protection
      13. 6.3.13 Output Voltage Discharge
    4. 6.4 Device Functional Modes
      1. 6.4.1 Forced Continuous-Conduction Mode
      2. 6.4.2 Discontinuous Conduction Mode During Soft Start
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 1.0V Output, 1MHz Application
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1  Switching Frequency
          2. 7.2.1.2.2  Output Inductor Selection
          3. 7.2.1.2.3  Output Capacitor
          4. 7.2.1.2.4  Input Capacitor
          5. 7.2.1.2.5  Adjustable Undervoltage Lockout
          6. 7.2.1.2.6  Output Voltage Resistors Selection
          7. 7.2.1.2.7  Bootstrap Capacitor Selection
          8. 7.2.1.2.8  BP5 Capacitor Selection
          9. 7.2.1.2.9  PGOOD Pullup Resistor
          10. 7.2.1.2.10 Current Limit Selection
          11. 7.2.1.2.11 Soft-Start Time Selection
          12. 7.2.1.2.12 Ramp Selection and Control Loop Stability
          13. 7.2.1.2.13 MODE Pin
        3. 7.2.1.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
        1. 7.4.2.1 Thermal Performance
  9. 8 Device and Documentation Support
    1. 8.1 接收文档更新通知
    2. 8.2 支持资源
    3. 8.3 Trademarks
    4. 8.4 静电放电警告
    5. 8.5 术语表
  10. 9 Revision History
  11. 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
7.2.1.2.7 Bootstrap Capacitor Selection

A 0.1uF ceramic capacitor is integrated inside the module connected between the BOOT and SW pin.

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