ZHCSHC6I January   2007  – December 2017 LM5022

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 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 High-Voltage Start-Up Regulator
      2. 7.3.2 Input Undervoltage Detector
      3. 7.3.3 Error Amplifier
      4. 7.3.4 Current Sensing and Current Limiting
      5. 7.3.5 PWM Comparator and Slope Compensation
      6. 7.3.6 Soft Start
      7. 7.3.7 MOSFET Gate Driver
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Oscillator, Shutdown, and SYNC
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Switching Frequency
        2. 8.2.2.2  MOSFET
        3. 8.2.2.3  Output Diode
        4. 8.2.2.4  Boost Inductor
        5. 8.2.2.5  Output Capacitor
        6. 8.2.2.6  VCC Decoupling Capacitor
        7. 8.2.2.7  Input Capacitor
        8. 8.2.2.8  Current Sense Filter
        9. 8.2.2.9  RSNS, RS2 and Current Limit
        10. 8.2.2.10 Control Loop Compensation
        11. 8.2.2.11 Efficiency Calculations
          1. 8.2.2.11.1 Chip Operating Loss
          2. 8.2.2.11.2 MOSFET Switching Loss
          3. 8.2.2.11.3 MOSFET and RSNS Conduction Loss
          4. 8.2.2.11.4 Output Diode Loss
          5. 8.2.2.11.5 Input Capacitor Loss
          6. 8.2.2.11.6 Output Capacitor Loss
          7. 8.2.2.11.7 Boost Inductor Loss
          8. 8.2.2.11.8 Total Loss
          9. 8.2.2.11.9 Efficiency
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Filter Capacitors
      2. 10.1.2 Sense Lines
      3. 10.1.3 Compact Layout
      4. 10.1.4 Ground Plane and Shape Routing
    2. 10.2 Layout Examples
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 设计支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  12. 12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

4 修订历史记录

Changes from H Revision (December 2016) to I Revision

Changes from G Revision (December 2013) to H Revision

  • Added 添加了 ESD 额定值 表、特性 说明 部分、器件功能模式、应用和实施 部分、电源建议 部分、布局 部分、器件和文档支持 部分，以及机械、封装和可订购信息 部分Go
  • Deleted soldering temperature (215°C Vapor phase maximum and 220°C Infrared maximum)Go
  • Changed Junction to Ambient Thermal Resistance, RθJA, value From: 200 To: 161.5Go
  • Changed slope compensation amplitude, VSLOPE, values From: 80 To: 83 (Minimum), From: 105 To: 110 (Typical), and From: 130 To: 137 (Maximum)Go

Changes from F Revision (March 2013) to G Revision

  • Changed timing resistor equation. Incorrect change when converting to TI formatGo

Changes from E Revision (March 2013) to F Revision

  • Changed 将美国国家半导体数据表的布局更改为 TI 格式Go
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