ZHCSNL2A February   2022  – May 2022 LM74502-Q1 , LM74502H-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  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 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Input Voltage (VS)
      2. 9.3.2 Charge Pump (VCAP)
      3. 9.3.3 Gate Driver (GATE an SRC)
        1. 9.3.3.1 Inrush Current Control
      4. 9.3.4 Enable and Undervoltage Lockout (EN/UVLO)
      5. 9.3.5 Overvoltage Protection (OV)
    4. 9.4 Device Functional Modes
      1. 9.4.1 Shutdown Mode
      2. 9.4.2 Conduction Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Design Considerations
        2. 10.2.2.2 MOSFET Selection
        3. 10.2.2.3 Overvoltage Protection
        4. 10.2.2.4 Charge Pump VCAP, Input and Output Capacitance
      3. 10.2.3 Selection of TVS Diodes for 12-V Battery Protection Applications
      4. 10.2.4 Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
      5. 10.2.5 Application Curves
    3. 10.3 Surge Stopper Using LM74502-Q1, LM74502H-Q1
      1. 10.3.1 VS Capacitance, Resistor R1 and Zener Clamp (DZ)
      2. 10.3.2 Overvoltage Protection
      3. 10.3.3 MOSFET Selection
    4. 10.4 Fast Turn-On and Turn-Off High Side Switch Driver Using LM74502H-Q1
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 接收文档更新通知
    2. 13.2 支持资源
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 术语表
  14. 14Mechanical, Packaging, and Orderable Information

10.2.5 Application Curves

GUID-5EC1293C-8335-46EC-BE94-35DEC5369859-low.pngFigure 10-3 ISO 7637-2 Pulse 1
GUID-20220406-SS0I-NJKC-0PHC-GQ0JBPGHG8JW-low.png
Time (40 ms/DIV)
Figure 10-5 Start-up with Input Reverse Voltage (–12 V)
GUID-20220406-SS0I-C3TT-G651-0RHXXKGXHCKZ-low.png
Time (4 ms/DIV)
Figure 10-7 Start-up with 5-A Load
GUID-20220406-SS0I-RXG8-4BLM-HWMQTJGJSL6K-low.png
Time (10 ms/DIV)
Figure 10-9 Overvoltage Recovery
GUID-20220406-SS0I-NWJC-BBPZ-DTLNBPCPB4K2-low.png
Time (2.5 ms/DIV)
Figure 10-4 Response to ISO 7637-2 Pulse 1 (–150 V)
GUID-20220406-SS0I-MZZK-5PGQ-PBC54CFD3CXP-low.png
Time (4 ms/DIV)
Figure 10-6 Start-up with No Load
GUID-20220406-SS0I-QRZK-BMNP-XKX1TN12SDML-low.png
Time (20 ms/DIV)
Figure 10-8 Overvoltage Cutoff Response (37 V)
GUID-20220406-SS0I-XZR7-VGMD-WTB05SWFGSK1-low.png
Time (20 ms/DIV)
Figure 10-10 Overvoltage Clamp Response
千亿体育app官网登录(中国)官方网站IOS/安卓通用版/手机APP | 米乐app下载官网（中国）|ios|Android/通用版APP最新版 | 米乐|米乐·M6（中国大陆）官方网站 | 千亿体育登陆地址 | 华体会体育（中国）HTH·官方网站 | 千赢qy国际_全站最新版千赢qy国际V6.2.14安卓/IOS下载 | 18新利网v1.2.5|中国官方网站 | bob电竞真人（中国官网）安卓/ios苹果/电脑版【1.97.95版下载】 | 千亿体育app官方下载(中国)官方网站IOS/安卓/手机APP下载安装 |