ZHCS548S December   2009  – July 2017 LMZ14203

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 ESD Ratings
   3. 6.3 Recommended Operating Conditions
   4. 6.4 Thermal Information
   5. 6.5 Electrical Characteristics
   6. 6.6 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 COT Control Circuit Overview
      2. 7.3.2 Output Overvoltage Comparator
      3. 7.3.3 Current Limit
      4. 7.3.4 Thermal Protection
      5. 7.3.5 Zero Coil Current Detection
      6. 7.3.6 Prebiased Start-Up
   4. 7.4 Device Functional Modes
      1. 7.4.1 Discontinuous Conduction and Continuous Conduction Modes
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 Custom Design With WEBENCH® Tools
         2. 8.2.2.2 Design Steps for the LMZ14203 Application
            1. 8.2.2.2.1 Enable Divider, RENT and RENB Selection
            2. 8.2.2.2.2 Output Voltage Selection
            3. 8.2.2.2.3 Soft-Start Capacitor Selection
            4. 8.2.2.2.4 CO Selection
            5. 8.2.2.2.5 CIN Selection
            6. 8.2.2.2.6 Discontinuous Conduction and Continuous Conduction Mode Selection
            7. 8.2.2.2.7 RON Resistor Selection
      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 and Board Thermal Requirements
    4. 10.4 Power Module SMT Guidelines
11. 11器件和文档支持
    1. 11.1 使用 WEBENCH® 工具创建定制设计
    2. 11.2 器件支持
       1. 11.2.1 开发支持
       2. 11.2.2 Third-Party Products Disclaimer
    3. 11.3 文档支持
       1. 11.3.1 相关文档
    4. 11.4 接收文档更新通知
    5. 11.5 社区资源
    6. 11.6 商标
    7. 11.7 静电放电警告
    8. 11.8 Glossary
12. 12机械、封装和可订购信息