JAJSIG5C May   2019  – December 2024 LMG1025-Q1

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 Input Stage
      2. 6.3.2 Output Stage
      3. 6.3.3 Bias Supply and Under Voltage Lockout
      4. 6.3.4 Overtemperature Protection (OTP)
    4. 6.4 Device Functional Modes
  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 Handling Ground Bounce
        2. 7.2.2.2 Creating Nanosecond Pulse
        3. 7.2.2.3 VDD and Overshoot
        4. 7.2.2.4 Operating at Higher Frequency
      3. 7.2.3 Application Curves
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 Gate Drive Loop Inductance and Ground Connection
      2. 9.1.2 Bypass Capacitor
    2. 9.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 サード・パーティ製品に関する免責事項
    2. 10.2 ドキュメントの更新通知を受け取る方法
    3. 10.3 サポート・リソース
    4. 10.4 静電気放電に関する注意事項
    5. 10.5 Trademarks
    6. 10.6 用語集
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

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9.1 Layout Guidelines

The layout of the LMG1025-Q1 is critical to its performance and functionality. The LMG1025-Q1 is available in a 2x2 DFN, which allows a low inductance connection to a FET. Figure 9-1shows the recommended layout of the LMG1025-Q1 with a ball-grid GaN FET.

A four-layer or higher layer count board is required to reduce the parasitic inductances of the layout to achieve suitable performance. To minimize inductance and board space, resistors and capacitors in the 0201 package should be used here. The gate drive power loss must be calculated to ensure an 0201 resistor will be able to handle the power level.