ZHCS541M September   2008  – November 2014 LM22672 , LM22672-Q1

PRODUCTION DATA.  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 修订历史记录
5. 5 Pin Configuration and Functions
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 Handling Ratings: LM22672
   3. 6.3 Handling Ratings: LM22672-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 Switching Frequency Adjustment and Synchronization
      4. 7.3.4 Self-Synchronization
      5. 7.3.5 Boot-Strap Supply
      6. 7.3.6 Internal Loop Compensation
   4. 7.4 Device Functional Mode
      1. 7.4.1 Current Limit
      2. 7.4.2 Thermal Protection
      3. 7.4.3 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 Application
      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. 8.2.1.2.1.2 Input Capacitor
               3. 8.2.1.2.1.3 Output Capacitor
               4. 8.2.1.2.1.4 Boot-strap Capacitor
         3. 8.2.1.3 Application Curves
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
11. 11器件和文档支持
    1. 11.1 文档支持
       1. 11.1.1 相关文档　
    2. 11.2 相关链接
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
12. 12机械、封装和可订购信息