JAJSLR9I February   2006  – May 2021 LM5009

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  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 Control Circuit Overview
      2. 7.3.2 High Voltage Startup Regulator
      3. 7.3.3 Regulation Comparator
      4. 7.3.4 Overvoltage Comparator
      5. 7.3.5 On-Time Generator
      6. 7.3.6 Current Limit
      7. 7.3.7 N-Channel Buck Switch and Driver
      8. 7.3.8 Thermal Protection
    4. 7.4 Device Functional 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 Output Resistor Divider Selection
        2. 8.2.2.2 Frequency Selection
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 VCC and Bootstrap Capacitor
        5. 8.2.2.5 Output Capacitor Selection
        6. 8.2.2.6 Current Limit Off-Timer Setting
        7. 8.2.2.7 Rectifier Diode Selection
        8. 8.2.2.8 Input Capacitor Selection
        9. 8.2.2.9 Ripple Configuration
      3. 8.2.3 Application Curves
    3. 8.3 Do's and Don'ts
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.2.3 Application Curves

GUID-BD39CE28-B0EB-4AAD-930E-3711FB63E81C-low.gifFigure 8-2 Efficiency vs Load Current and VIN
GUID-B5858CBA-2111-41BE-B3DD-1122FFB7FCFF-low.gifFigure 8-4 VOUT vs Load Current
GUID-3B309B63-A3DF-455D-B8AD-7D74970D8697-low.gifFigure 8-3 Efficiency vs VIN and Load Current
GUID-195D172D-F4A5-4CCA-9353-AEE8CC4847BC-low.gifFigure 8-5 Current Limit vs VIN