JAJSER9C December   2017  – March 2023 LMZM23601

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
    1.     Device Comparison
  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 System Characteristics
    7. 6.7 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 Scheme
      2. 7.3.2 Soft-Start Function
      3. 7.3.3 Enable and External UVLO Function
      4. 7.3.4 Current Limit
      5. 7.3.5 Hiccup Mode
      6. 7.3.6 Power Good (PGOOD) Function
      7. 7.3.7 MODE/SYNC Function
        1. 7.3.7.1 Forced PWM Mode
        2. 7.3.7.2 Auto PFM Mode
        3. 7.3.7.3 Dropout Mode
        4. 7.3.7.4 SYNC Operation
      8. 7.3.8 Thermal Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown
      2. 7.4.2 FPWM Operation
      3. 7.4.3 Auto PFM Mode Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Maximum Input Voltage for VOUT < 2.5 V
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Input Capacitor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Feedback Voltage Divider for Adjustable Output Voltage Versions
        5. 8.2.2.5 RPU - PGOOD Pullup Resistor
        6. 8.2.2.6 VIN Divider and Enable
      3. 8.2.3 Application Curves
        1. 8.2.3.1 VOUT = 5 V
        2. 8.2.3.2 VOUT = 3.3 V
        3. 8.2.3.3 VOUT = 12 V
        4. 8.2.3.4 VOUT = 15 V
        5. 8.2.3.5 VOUT = 2.5 V
        6. 8.2.3.6 VOUT = 1.2 V and VOUT = 1.8 V
        7. 8.2.3.7 VOUT = 5 V and 3.3 V Fixed Output Options
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
      1. 8.4.1 Supply Voltage Range
      2. 8.4.2 Supply Current Capability
      3. 8.4.3 Supply Input Connections
        1. 8.4.3.1 Voltage Drops
        2. 8.4.3.2 Stability
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
        1. 8.5.1.1 Thermal Design
      2. 8.5.2 Layout Examples
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 サード・パーティ製品に関する免責事項
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 ドキュメントの更新通知を受け取る方法
    4. 9.4 サポート・リソース
    5. 9.5 Trademarks
    6. 9.6 静電気放電に関する注意事項
    7. 9.7 用語集
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

パッケージ・オプション

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発注情報

7.3.8 Thermal Protection

The LMZM23601 monitors its junction temperature (TJ) and shuts off if the it gets too hot. The thermal shutdown threshold for the junction is typically 155°C. Both, high-side and low-side power MOSFETs are turned off until the junction temperature has decreased under the hysteresis level, typically 15°C below the shutdown temperature.