SNOSDF8 December   2024 LM74680

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input and Output Voltage
      2. 7.3.2 Charge Pump
      3. 7.3.3 Gate Drivers
      4. 7.3.4 Enable
    4. 7.4 Device Functional Modes
      1. 7.4.1 Conduction Mode
        1. 7.4.1.1 Regulated Conduction Mode
        2. 7.4.1.2 Full Conduction Mode
      2. 7.4.2 Reverse Current Protection Mode
  9. 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 Design Considerations
        2. 8.2.2.2 MOSFET Selection
        3. 8.2.2.3 Output Capacitance
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Transient Protection
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ

8.2.3 Application Curves

LM74680 24V AC Input, COUT = 1mF, 30W Load, Steady StateFigure 8-2 24V AC Input, COUT = 1mF, 30W Load, Steady State
LM74680 24V AC Input, COUT = 1mF, 30W Load, EN Toggle LowFigure 8-4 24V AC Input, COUT = 1mF, 30W Load, EN Toggle Low
LM74680 24V AC Input, COUT = 1mF, Load Step From 10W to 30WFigure 8-6 24V AC Input, COUT = 1mF, Load Step From 10W to 30W
LM74680 10V AC Input, COUT = 1mF, Steady StateFigure 8-8 10V AC Input, COUT = 1mF, Steady State
LM74680 –12V DC Input, StartupFigure 8-10 –12V DC Input, Startup
LM74680 24V AC Input, COUT = 1mF, 30W Load, EN Toggle HighFigure 8-3 24V AC Input, COUT = 1mF, 30W Load, EN Toggle High
LM74680 24V AC Input, COUT = 1mF, 30W Load, EN High, Input HotplugFigure 8-5 24V AC Input, COUT = 1mF, 30W Load, EN High, Input Hotplug
LM74680 24V AC Input, COUT = 1mF, Load Step From 30W to 10WFigure 8-7 24V AC Input, COUT = 1mF, Load Step From 30W to 10W
LM74680 12V DC Input, StartupFigure 8-9 12V DC Input, Startup
LM74680 24V AC Input, Freq = 1kHz, COUT = 1mF, Steady StateFigure 8-11 24V AC Input, Freq = 1kHz, COUT = 1mF, Steady State