ZHCS538M September   2008  – October 2020 LM22678 , LM22678-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
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 Handling Ratings: LM22678
   3. 6.3 Handling Ratings: LM22678-Q1
   4. 6.4 Recommended Operating Conditions
   5. 6.5 Thermal Information
   6. 6.6 Electrical Characteristics
   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 Precision Enable and UVLO
      2. 7.3.2 Soft Start
      3. 7.3.3 Bootstrap Supply
      4. 7.3.4 Internal Loop Compensation
   4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 Current Limit
      4. 7.4.4 Thermal Protection
      5. 7.4.5 Duty-Cycle Limits
8. 8 Application and Implementation
   1. 8.1 Application Information
      1. 8.1.1 Output Voltage Divider Selection
      2. 8.1.2 Power Diode
   2. 8.2 Typical Applications
      1. 8.2.1 Typical Buck Regulator Application
         1. 8.2.1.1 Design Requirements
         2. 8.2.1.2 Detailed Design Procedure
            1. 8.2.1.2.1 External Components
               1. 8.2.1.2.1.1 Inductor
            2. 8.2.1.2.2 Input Capacitor
            3. 8.2.1.2.3 Output Capacitor
            4. 8.2.1.2.4 Bootstrap Capacitor
         3. 8.2.1.3 Application Curves
9. 9 Layout
   1. 9.1 Layout Guidelines
   2. 9.2 Layout Example
   3. 9.3 Thermal Considerations
10. 10Device and Documentation Support
    1. 10.1 Documentation Support
       1. 10.1.1 Related Documentation
    2. 10.2 支持资源
    3. 10.3 接收文档更新通知
    4. 10.4 静电放电警告
    5. 10.5 术语表