ZHCSDH1A October   2015  – May 2016 LM5175

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed Frequency Valley/Peak Current Mode Control with Slope Compensation
      2. 8.3.2  VCC Regulator and Optional BIAS Input
      3. 8.3.3  Enable/UVLO
      4. 8.3.4  Soft-Start
      5. 8.3.5  Overcurrent Protection
      6. 8.3.6  Average Input/Output Current Limiting
      7. 8.3.7  CCM/DCM Operation
      8. 8.3.8  Frequency and Synchronization (RT/SYNC)
      9. 8.3.9  Frequency Dithering
      10. 8.3.10 Output Overvoltage Protection (OVP)
      11. 8.3.11 Power Good (PGOOD)
      12. 8.3.12 Gm Error Amplifier
      13. 8.3.13 Integrated Gate Drivers
      14. 8.3.14 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown, Standby, and Operating Modes
      2. 8.4.2 MODE Pin Configuration
  9. 9 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  Frequency
        2. 9.2.2.2  VOUT
        3. 9.2.2.3  Inductor Selection
        4. 9.2.2.4  Output Capacitor
        5. 9.2.2.5  Input Capacitor
        6. 9.2.2.6  Sense Resistor (RSENSE)
        7. 9.2.2.7  Slope Compensation
        8. 9.2.2.8  UVLO
        9. 9.2.2.9  Soft-Start Capacitor
        10. 9.2.2.10 Dither Capacitor
        11. 9.2.2.11 MOSFETs QH1 and QL1
        12. 9.2.2.12 MOSFETs QH2 and QL2
        13. 9.2.2.13 Frequency Compensation
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档　
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 修订历史记录

Changes from * Revision (October 2015) to A Revision

  • Added QFN-28 封装Go
  • Added LM5175RHF 信息Go
  • Added RHF packageGo
  • Added QFN pins Go
  • Changed first plus to minus Go
  • Changed all 1.22 V to 1.23 V Go
  • Changed equation Go
  • Changed equation Go
  • Changed equation Go