ZHCSM42C may   2020  – april 2023 TPS543320

PRODUCTION DATA  

1.   1
2. 1 特性
3. 2 應用
4. 3 說明
5. 4 Revision History
6. 5 Pin Configuration and Functions
7. 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 Typical Characteristics
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1  VIN Pins and VIN UVLO
      2. 7.3.2  Enable and Adjustable UVLO
      3. 7.3.3  Adjusting the Output Voltage
      4. 7.3.4  Switching Frequency Selection
      5. 7.3.5  Switching Frequency Synchronization to an External Clock
         1. 7.3.5.1 Internal PWM Oscillator Frequency
         2. 7.3.5.2 Loss of Synchronization
         3. 7.3.5.3 Interfacing the SYNC/FSEL Pin
      6. 7.3.6  Ramp Amplitude Selection
      7. 7.3.7  Soft Start and Prebiased Output Start-Up
      8. 7.3.8  Mode Pin
      9. 7.3.9  Power Good (PGOOD)
      10. 7.3.10 Current Protection
          1. 7.3.10.1 Positive Inductor Current Protection
          2. 7.3.10.2 Negative Inductor Current Protection
      11. 7.3.11 Output Overvoltage and Undervoltage Protection
      12. 7.3.12 Overtemperature Protection
      13. 7.3.13 Output Voltage Discharge
   4. 7.4 Device Functional Modes
      1. 7.4.1 Forced Continuous-Conduction Mode
      2. 7.4.2 Discontinuous Conduction Mode During Soft Start
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Applications
      1. 8.2.1 3.3-V Output, 1.0-MHz Application
         1. 8.2.1.1 Design Requirements
         2. 8.2.1.2 Detailed Design Procedure
            1. 8.2.1.2.1  Switching Frequency
            2. 8.2.1.2.2  Output Inductor Selection
            3. 8.2.1.2.3  Output Capacitor
            4. 8.2.1.2.4  Input Capacitor
            5. 8.2.1.2.5  Adjustable Undervoltage Lockout
            6. 8.2.1.2.6  Output Voltage Resistors Selection
            7. 8.2.1.2.7  Bootstrap Capacitor Selection
            8. 8.2.1.2.8  BP5 Capacitor Selection
            9. 8.2.1.2.9  PGOOD Pullup Resistor
            10. 8.2.1.2.10 Current Limit Selection
            11. 8.2.1.2.11 Soft-Start Time Selection
            12. 8.2.1.2.12 Ramp Selection and Control Loop Stability
            13. 8.2.1.2.13 MODE Pin
         3. 8.2.1.3 Application Curves
      2. 8.2.2 1.8-V Output, 1.5-MHz Application
         1. 8.2.2.1 Design Requirements
         2. 8.2.2.2 Detailed Design Procedure
         3. 8.2.2.3 Application Curves
   3. 8.3 Power Supply Recommendations
   4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
10. 9 Device and Documentation Support
    1. 9.1 Device Support
       1. 9.1.1 第三方產品免責聲明
    2. 9.2 接收文檔更新通知
    3. 9.3 支持資源
    4. 9.4 Trademarks
    5. 9.5 靜電放電警告
    6. 9.6 術語表
11. 10Mechanical, Packaging, and Orderable Information