ZHCSKV5 February   2020 LM60430-Q1 , LM60440-Q1

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

1. 1 特性
2. 2 应用
3. 3 说明
   1.     Device Images
      1.      简化原理图
      2.      效率与输出电流间的关系 VOUT = 5V，400kHz
4. 4 修订历史记录
5. 5 Device Comparison Table
6. 6 Pin Configuration and Functions
   1.     Pin Functions
7. 7 Specifications
   1. 7.1 Absolute Maximum Ratings
   2. 7.2 ESD Ratings
   3. 7.3 Recommended Operating Conditions
   4. 7.4 Thermal Information
   5. 7.5 Electrical Characteristics
   6. 7.6 Timing Characteristics
   7. 7.7 System Characteristics
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Power-Good Flag Output
      2. 8.3.2 Enable and Start-up
      3. 8.3.3 Current Limit and Short Circuit
      4. 8.3.4 Undervoltage Lockout and Thermal Shutdown
   4. 8.4 Device Functional Modes
      1. 8.4.1 Auto Mode
      2. 8.4.2 Dropout
      3. 8.4.3 Minimum Switch On-Time
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
         1. 9.2.2.1  Choosing the Switching Frequency
         2. 9.2.2.2  Setting the Output Voltage
         3. 9.2.2.3  Inductor Selection
         4. 9.2.2.4  Output Capacitor Selection
         5. 9.2.2.5  Input Capacitor Selection
         6. 9.2.2.6  CBOOT
         7. 9.2.2.7  VCC
         8. 9.2.2.8  CFF Selection
         9. 9.2.2.9  External UVLO
         10. 9.2.2.10 Maximum Ambient Temperature
      3. 9.2.3 Application Curves
   3. 9.3 EMI
   4. 9.4 What to Do and What Not to Do
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
       1. 11.1.1 Ground and Thermal Considerations
    2. 11.2 Layout Example
12. 12器件和文档支持
    1. 12.1 器件支持
       1. 12.1.1 开发支持
          1. 12.1.1.1 使用 WEBENCH® 工具创建定制设计方案
    2. 12.2 文档支持
       1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 支持资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
13. 13机械、封装和可订购信息