SNVS036L April   2000  – June 2025 LM2670

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 – 3.3 V
    6. 5.6  Electrical Characteristics – 5 V
    7. 5.7  Electrical Characteristics – 12 V
    8. 5.8  Electrical Characteristics – ADJ
    9. 5.9  Electrical Characteristics – All Output Voltage Versions
    10. 5.10 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 Switch Output
      2. 6.3.2 Input
      3. 6.3.3 C Boost
      4. 6.3.4 Ground
      5. 6.3.5 SYNC
      6. 6.3.6 Feedback
      7. 6.3.7 ON/OFF
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Mode
      2. 6.4.2 Active Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Design Considerations
      2. 7.1.2 Inductor
      3. 7.1.3 Output Capacitor
      4. 7.1.4 Input Capacitor
      5. 7.1.5 Catch Diode
      6. 7.1.6 Boost Capacitor
      7. 7.1.7 Sync Components
      8. 7.1.8 Additional Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Typical Application for All Output Voltage Versions
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Capacitor Selection Guides
          2. 7.2.1.2.2 Inductor Selection Guides
          3. 7.2.1.2.3 Custom Design with WEBENCH® Tools
        3. 7.2.1.3 Application Curves
      2. 7.2.2 Fixed Output Voltage Application
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
          1. 7.2.2.2.1 Capacitor Selection Guides
      3. 7.2.3 Adjustable Output Voltage Application
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
          1. 7.2.3.2.1 Capacitor Selection Guides
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
      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 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 DAP (VSON Package)

Package Options

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

9 Revision History

Changes from Revision K (June 2016) to Revision L (June 2025)

  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Added information relating to WEBENCHGo
  • Added approved noun following the SIMPLE SWITCHER trademark throughout the documentGo
  • Added information surrounding proper DAP connectionGo
  • Updated the device name listed in the Thermal Information table to LM2670Go
  • Changed listed test condition parameter from 5A to 3AGo
  • Deleted RADJ specificationGo
  • Changed listed test condition parameter from 5A to 3AGo
  • Changed listed test condition parameter from 5A to 3AGo
  • Added Electrical Characteristics table for ADJ variantGo
  • Changed Iswitch test condition parameter from 5A to 3AGo
  • Added information relating to WEBENCHGo
  • Added information relating to WEBENCHGo
  • Added information relating to WEBENCHGo

Changes from Revision J (April 2013) to Revision K (June 2016)

  • Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section.Go
  • Removed all references to Computer Design Software LM267X Made Simple (Version 6.0)Go