JAJSI29A October   2019  – April 2024 LM5163

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 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  Control Architecture
      2. 6.3.2  Internal VCC Regulator and Bootstrap Capacitor
      3. 6.3.3  Regulation Comparator
      4. 6.3.4  Internal Soft Start
      5. 6.3.5  On-Time Generator
      6. 6.3.6  Current Limit
      7. 6.3.7  N-Channel Buck Switch and Driver
      8. 6.3.8  Synchronous Rectifier
      9. 6.3.9  Enable/Undervoltage Lockout (EN/UVLO)
      10. 6.3.10 Power Good (PGOOD)
      11. 6.3.11 Thermal Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Mode
      2. 6.4.2 Active Mode
      3. 6.4.3 Sleep Mode
  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 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 Switching Frequency (RRON)
        3. 7.2.2.3 Buck Inductor (LO)
        4. 7.2.2.4 Output Capacitor (COUT)
        5. 7.2.2.5 Input Capacitor (CIN)
        6. 7.2.2.6 Type-3 Ripple Network
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Compact PCB Layout for EMI Reduction
        2. 7.4.1.2 Feedback Resistors
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 サード・パーティ製品に関する免責事項
      2. 8.1.2 Development Support
        1. 8.1.2.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 ドキュメントの更新通知を受け取る方法
    4. 8.4 サポート・リソース
    5. 8.5 Trademarks
    6. 8.6 静電気放電に関する注意事項
    7. 8.7 用語集
  10. 9 Revision History
  11. 10Mechanical, 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

5.6 Typical Characteristics

At TA = 25°C, VOUT = 12 V, LO = 120 µH, RRON = 105 kΩ, unless otherwise specified. At TA = 25°C, VOUT = 12 V, LO = 68 µH, RRON = 105 kΩ, unless otherwise specified.

LM5163 Conversion Efficiency (Log Scale)Figure 5-1 Conversion Efficiency (Log Scale)
LM5163 VIN Shutdown and Sleep Supply Current versus TemperatureFigure 5-3 VIN Shutdown and Sleep Supply Current versus Temperature
LM5163 VIN Active Current versus TemperatureFigure 5-5 VIN Active Current versus Temperature
LM5163 Feedback Comparator Threshold versus TemperatureFigure 5-7 Feedback Comparator Threshold versus Temperature
LM5163 Peak and Valley Current Limit versus TemperatureFigure 5-9 Peak and Valley Current Limit versus Temperature
LM5163 Conversion Efficiency (Linear Scale)Figure 5-2 Conversion Efficiency (Linear Scale)
LM5163 VIN Shutdown and Sleep Supply Current versus Input VoltageFigure 5-4 VIN Shutdown and Sleep Supply Current versus Input Voltage
LM5163 VIN Active Current versus Input VoltageFigure 5-6 VIN Active Current versus Input Voltage
LM5163 MOSFETs On-State Resistance versus TemperatureFigure 5-8 MOSFETs On-State Resistance versus Temperature
LM5163 COT On-Time versus VINFigure 5-10 COT On-Time versus VIN