SNVS007H september   1998  – june 2023 LM2676

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Description (continued)
  7. 6 Pin Configuration and Functions
  8. 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 – 3.3-V Version
    6. 7.6  Electrical Characteristics – 5-V Version
    7. 7.7  Electrical Characteristics – 12-V Version
    8. 7.8  Electrical Characteristics – Adjustable Voltage Version
    9. 7.9  Electrical Characteristics – All Output Voltage Versions
    10. 7.10 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Adjustable Output Voltage
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown Mode
      2. 8.4.2 Active Mode
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Fixed Output Voltage Typical Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Custom Design with WEBENCH® Tools
          2. 9.2.1.2.2 Inductor Selection (L1)
          3. 9.2.1.2.3 Output Capacitor Selection (COUT)
          4. 9.2.1.2.4 Catch Diode Selection (D1)
          5. 9.2.1.2.5 Input Capacitor (CIN)
          6. 9.2.1.2.6 Boost Capacitor (CB)
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Adjustable Output Voltage Typical Application
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Programming Output Voltage
          2. 9.2.2.2.2 Inductor Selection (L1)
          3. 9.2.2.2.3 Output Capacitor Selection (COUT)
          4. 9.2.2.2.4 Catch Diode Selection (D1)
          5. 9.2.2.2.5 Input Capacitor (CIN)
          6. 9.2.2.2.6 Boost Capacitor (CB)
        3. 9.2.2.3 Application Curves
      3. 9.2.3 Typical Application for All Output Voltage Versions
        1. 9.2.3.1 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
        1. 9.4.1.1 WSON Package Devices
      2. 9.4.2 Layout Examples
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 Custom Design with WEBENCH® Tools
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

7.10 Typical Characteristics

GUID-3D8FDDEF-C7CE-44D1-96D1-81B5F7E258EF-low.pngFigure 7-1 Normalized Output Voltage
GUID-6B54FED1-C9DC-455B-BBA0-A4BF770CA0BE-low.pngFigure 7-3 Efficiency
GUID-1C7CF4F2-D664-4FCC-B82D-51829D62CD6D-low.pngFigure 7-5 Switch Current Limit
GUID-2093D410-6D47-4357-A73C-181D83216BC9-low.pngFigure 7-7 Standby Quiescent Current
GUID-F6F12FFA-71C7-4D2F-81AC-43B9F7C54224-low.pngFigure 7-9 ON/ OFF Pin Current (Sourcing)
GUID-4E4004EB-9784-40BE-BE66-52D1FBB531D0-low.pngFigure 7-11 Feedback Pin Bias Current
GUID-6465F11B-4058-4E49-B6DC-C7991436BD0D-low.pngFigure 7-13 Dropout Voltage, 3.3-V Version
GUID-F48DAADA-1B06-4507-9E59-4F2ACF9878C3-low.pngFigure 7-2 Line Regulation
GUID-2ED370C8-FCE8-4DDB-8BCA-2CDFED366A41-low.pngFigure 7-4 Drain-to-Source Resistance
GUID-B4F19F1F-400C-4B3B-84FC-80BC417EFB25-low.pngFigure 7-6 Operating Quiescent Current
GUID-20DF7853-16A0-40AD-97F3-7DBFC400412C-low.pngFigure 7-8 ON/ OFF Threshold Voltage
GUID-2E0EAD15-6FAD-462E-9314-02470A97D9A5-low.pngFigure 7-10 Switching Frequency
GUID-48CB74F3-2FDF-4728-AAFD-F054D836B582-low.pngFigure 7-12 Peak Switch Current
GUID-B5C28AF4-C0FC-4C62-B4E7-6A3F0B4422A5-low.pngFigure 7-14 Dropout Voltage, 5-V Version