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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)

5.7 Typical Characteristics

LM74680 IQ vs Supply VoltageFigure 5-1 IQ vs Supply Voltage
LM74680 Bottom Side Gate Drive Voltage vs Supply VoltageFigure 5-3 Bottom Side Gate Drive Voltage vs Supply Voltage
LM74680 Bottom Side Gate Drive Source Current vs Gate Drive VoltageFigure 5-5 Bottom Side Gate Drive Source Current vs Gate Drive Voltage
LM74680 Bottom Side Gate Drive Sink Current vs Gate Drive VoltageFigure 5-7 Bottom Side Gate Drive Sink Current vs Gate Drive Voltage
LM74680 Top Side Gate Drive Voltage vs Supply VoltageFigure 5-2 Top Side Gate Drive Voltage vs Supply Voltage
LM74680 Top Side Gate Drive Source Current vs Gate Drive VoltageFigure 5-4 Top Side Gate Drive Source Current vs Gate Drive Voltage
LM74680 Top Side Gate Drive Sink Current vs Gate Drive VoltageFigure 5-6 Top Side Gate Drive Sink Current vs Gate Drive Voltage
LM74680 Enable Threshold vs TemperatureFigure 5-8 Enable Threshold vs Temperature