ZHCSIT4B September   2018  – April 2024 LM5164-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  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 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  Control Architecture
      2. 6.3.2  Internal VCC Regulator and Bootstrap Capacitor
      3. 6.3.3  Regulation Comparator
      4. 6.3.4  Internal Soft Start
      5. 6.3.5  On-Time Generator
      6. 6.3.6  Current Limit
      7. 6.3.7  N-Channel Buck Switch and Driver
      8. 6.3.8  Synchronous Rectifier
      9. 6.3.9  Enable/Undervoltage Lockout (EN/UVLO)
      10. 6.3.10 Power Good (PGOOD)
      11. 6.3.11 Thermal Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Mode
      2. 6.4.2 Active Mode
      3. 6.4.3 Sleep Mode
  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 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 Switching Frequency (RRON)
        3. 7.2.2.3 Buck Inductor (LO)
        4. 7.2.2.4 Output Capacitor (COUT)
        5. 7.2.2.5 Input Capacitor (CIN)
        6. 7.2.2.6 Type-3 Ripple Network
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Compact PCB Layout for EMI Reduction
        2. 7.4.1.2 Feedback Resistors
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 8.1.2 Development Support
        1. 8.1.2.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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

7.2.3 Application Curves

LM5164-Q1 Conversion Efficiency (Log Scale)Figure 7-2 Conversion Efficiency (Log Scale)
LM5164-Q1 Load and Line Regulation Performance
Figure 7-4 Load and Line Regulation Performance
LM5164-Q1 No-Load Start-up with VIN
VIN = 24 VIOUT = 0 A
Figure 7-6 No-Load Start-up with VIN
LM5164-Q1 No-Load Start-up and Shutdown with EN/UVLO
VIN = 24 VIOUT = 0 A
Figure 7-8 No-Load Start-up and Shutdown with EN/UVLO
LM5164-Q1 Pre-bias Start-up with EN/UVLO
VIN = 24 VIOUT = 0 A
Figure 7-10 Pre-bias Start-up with EN/UVLO
LM5164-Q1 Short Circuit Recovery
VIN = 24 VLoad = Short to 0 A
Figure 7-12 Short Circuit Recovery
LM5164-Q1 No-Load Switching
VIN = 24 VIOUT = 0 A
Figure 7-14 No-Load Switching
LM5164-Q1 Conversion Efficiency (Linear Scale)Figure 7-3 Conversion Efficiency (Linear Scale)
LM5164-Q1 Load Step Response
VIN = 24 VIOUT = 0.25 A to 1 A at 0.1 A/μs
Figure 7-5 Load Step Response
LM5164-Q1 Full-Load Start-up with VIN
VIN = 24 VIOUT = 1 A (Resistive)
Figure 7-7 Full-Load Start-up with VIN
LM5164-Q1 Full-Load Start-up and Shutdown with EN/UVLO
VIN = 24 VIOUT = 1 A (Resistive)
Figure 7-9 Full-Load Start-up and Shutdown with EN/UVLO
LM5164-Q1 Short Circuit Applied
VIN = 24 VLoad = 0 A to Short
Figure 7-11 Short Circuit Applied
LM5164-Q1 No Load to Short Circuit/Short Circuit Recovery
VIN = 24 VLoad = 0 A to Short to .0 A
Figure 7-13 No Load to Short Circuit/Short Circuit Recovery
LM5164-Q1 Full-Load Switching
VIN = 24 VIOUT = 1 A
Figure 7-15 Full-Load Switching
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