ZHCSRV6A march   2023  – april 2023 LMG3526R030

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Pin Configuration and Functions
  7. 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 Switching Characteristics
    7. 6.7 Typical Characteristics
  8. Parameter Measurement Information
    1. 7.1 Switching Parameters
      1. 7.1.1 Turn-On Times
      2. 7.1.2 Turn-Off Times
      3. 7.1.3 Drain-Source Turn-On Slew Rate
      4. 7.1.4 Zero-Voltage Detection Times
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  GaN FET Operation Definitions
      2. 8.3.2  Direct-Drive GaN Architecture
      3. 8.3.3  Drain-Source Voltage Capability
      4. 8.3.4  Internal Buck-Boost DC-DC Converter
      5. 8.3.5  VDD Bias Supply
      6. 8.3.6  Auxiliary LDO
      7. 8.3.7  Fault Detection
        1. 8.3.7.1 Overcurrent Protection and Short-Circuit Protection
        2. 8.3.7.2 Overtemperature Shutdown
        3. 8.3.7.3 UVLO Protection
        4. 8.3.7.4 Fault Reporting
      8. 8.3.8  Drive-Strength Adjustment
      9. 8.3.9  Temperature-Sensing Output
      10. 8.3.10 Ideal-Diode Mode Operation
        1. 8.3.10.1 Overtemperature-Shutdown Ideal-Diode Mode
      11. 8.3.11 Zero-Voltage Detection (ZVD)
    4. 8.4 Start-Up Sequence
    5. 8.5 Safe Operation Area (SOA)
      1. 8.5.1 Repetitive SOA
    6. 8.6 Device Functional Modes
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Slew Rate Selection
          1. 9.2.2.1.1 Start-Up and Slew Rate With Bootstrap High-Side Supply
        2. 9.2.2.2 Signal Level-Shifting
        3. 9.2.2.3 Buck-Boost Converter Design
      3. 9.2.3 Application Curves
    3. 9.3 Do's and Don'ts
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Using an Isolated Power Supply
      2. 9.4.2 Using a Bootstrap Diode
        1. 9.4.2.1 Diode Selection
        2. 9.4.2.2 Managing the Bootstrap Voltage
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
        1. 9.5.1.1 Solder-Joint Reliability
        2. 9.5.1.2 Power-Loop Inductance
        3. 9.5.1.3 Signal-Ground Connection
        4. 9.5.1.4 Bypass Capacitors
        5. 9.5.1.5 Switch-Node Capacitance
        6. 9.5.1.6 Signal Integrity
        7. 9.5.1.7 High-Voltage Spacing
        8. 9.5.1.8 Thermal Recommendations
      2. 9.5.2 Layout Examples
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 Export Control Notice
    7. 10.7 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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High-Voltage Spacing

Circuits using the LMG3526R030 involve high voltage, potentially up to 650 V. When laying out circuits using the LMG3526R030, understand the creepage and clearance requirements for the application and how they apply to the GaN device. Functional (or working) isolation is required between the source and drain of each transistor, and between the high-voltage power supply and ground. Functional isolation or perhaps stronger isolation (such as reinforced isolation) can be required between the input circuitry to the LMG3526R030 and the power controller. Choose signal isolators and PCB spacing (creepage and clearance) distances which meet your isolation requirements.

If a heat sink is used to manage thermal dissipation of the LMG3526R030, ensure necessary electrical isolation and mechanical spacing is maintained between the heat sink and the PCB.