ZHCS553J January   2010  – October 2015 LMZ14202

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 Constant On-Time Control (COT) 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 Design Steps for the LMZ14202 Application
            1. 8.2.2.1.1 Enable Divider, RENT and RENB Selection
            2. 8.2.2.1.2 Output Voltage Selection
            3. 8.2.2.1.3 Soft-Start Capacitor Selection
            4. 8.2.2.1.4 CO Selection
            5. 8.2.2.1.5 Input Capacitance (CIN) Selection
            6. 8.2.2.1.6 RDS(on) Resistor Selection
               1. 8.2.2.1.6.1 Discontinuous Conduction and Continuous Conduction Mode 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 器件支持
       1. 11.1.1 Third-Party Products Disclaimer
       2. 11.1.2 开发支持
    2. 11.2 文档支持
       1. 11.2.1 相关文档　
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
12. 12机械、封装和可订购信息