JAJSUP3B February   2015  – December 2024 LMR14020

PRODUCTION DATA  

1.   1
2. 1 特長
3. 2 アプリケーション
4. 3 概要
5. 4 Pin Configuration and Functions
6. 5 Specifications
   1. 5.1 Absolute Maximum Ratings
   2. 5.2 ESD Ratings
   3. 5.3 Recommended Operating Conditions
   4. 5.4 Thermal Information
   5. 5.5 Electrical Characteristics
   6. 5.6 Switching Characteristics
   7. 5.7 Typical Characteristics
7. 6 Detailed Description
   1. 6.1 Overview
   2. 6.2 Functional Block Diagram
   3. 6.3 Feature Description
      1. 6.3.1  Fixed Frequency Peak Current Mode Control
      2. 6.3.2  Slope Compensation
      3. 6.3.3  Sleep Mode
      4. 6.3.4  Low Dropout Operation and Bootstrap Voltage (BOOT)
      5. 6.3.5  Adjustable Output Voltage
      6. 6.3.6  Enable and Adjustable Undervoltage Lockout
      7. 6.3.7  External Soft Start
      8. 6.3.8  Switching Frequency and Synchronization (RT/SYNC)
      9. 6.3.9  Overcurrent and Short-Circuit Protection
      10. 6.3.10 Overvoltage Protection
      11. 6.3.11 Thermal Shutdown
   4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Mode
      2. 6.4.2 Active Mode
      3. 6.4.3 CCM Mode
      4. 6.4.4 Light Load Operation
8. 7 Application and Implementation
   1. 7.1 Application Information
   2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
         1. 7.2.2.1 Output Voltage Set-Point
         2. 7.2.2.2 Switching Frequency
         3. 7.2.2.3 Output Inductor Selection
         4. 7.2.2.4 Output Capacitor Selection
         5. 7.2.2.5 Schottky Diode Selection
         6. 7.2.2.6 Input Capacitor Selection
         7. 7.2.2.7 Bootstrap Capacitor Selection
         8. 7.2.2.8 Soft-start Capacitor Selection
      3. 7.2.3 Application Curves
   3. 7.3 Power Supply Recommendations
   4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
9. 8 Device and Documentation Support
   1. 8.1 ドキュメントの更新通知を受け取る方法
   2. 8.2 サポート・リソース
   3. 8.3 Trademarks
   4. 8.4 静電気放電に関する注意事項
   5. 8.5 用語集
10. 9 Revision History
11. 10Mechanical, Packaging, and Orderable Information