SNVS541H October   2007  – August 2016 LM3410 , LM3410-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Current Limit
      2. 7.3.2 DIM Pin and Shutdown Mode
    4. 7.4 Device Functional Modes
      1. 7.4.1 Thermal Shutdown
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Boost Converter
        1. 8.1.1.1 Setting the LED Current
        2. 8.1.1.2 LED-Drive Capability
        3. 8.1.1.3 Inductor Selection
        4. 8.1.1.4 Input Capacitor
        5. 8.1.1.5 Output Capacitor
        6. 8.1.1.6 Diode
        7. 8.1.1.7 Output Overvoltage Protection
      2. 8.1.2 SEPIC Converter
        1. 8.1.2.1 SEPIC Equations
        2. 8.1.2.2 Steady State Analysis with Loss Elements
          1. 8.1.2.2.1 Details
    2. 8.2 Typical Applications
      1. 8.2.1  Low Input Voltage, 1.6-MHz, 3 to 5 White LED Output at 50-mA Boost Converter
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Set the LED Current (R1)
          2. 8.2.1.2.2 Calculate Maximum Duty Cycle (DMAX)
          3. 8.2.1.2.3 Calculate the Inductor Value (L1)
          4. 8.2.1.2.4 Calculate the Output Capacitor (C2)
          5. 8.2.1.2.5 Input Capacitor (C1) and Schottky Diode (D1)
        3. 8.2.1.3 Application Curves
      2. 8.2.2  LM3410X SOT-23: 5 × 1206 Series LED String Application
        1. 8.2.2.1 Design Requirements
      3. 8.2.3  LM3410Y SOT-23: 5 × 1206 Series LED String Application
        1. 8.2.3.1 Design Requirements
      4. 8.2.4  LM3410X WSON: 7 × 5 LED Strings Backlighting Application
        1. 8.2.4.1 Design Requirements
      5. 8.2.5  LM3410X WSON: 3 × HB LED String Application
        1. 8.2.5.1 Design Requirements
      6. 8.2.6  LM3410Y SOT-23: 5 × 1206 Series LED String Application With OVP
        1. 8.2.6.1 Design Requirements
      7. 8.2.7  LM3410X SEPIC WSON: HB or OLED Illumination Application
        1. 8.2.7.1 Design Requirements
      8. 8.2.8  LM3410X WSON: Boost Flash Application
        1. 8.2.8.1 Design Requirements
      9. 8.2.9  LM3410X SOT-23: 5 × 1206 Series LED String Application With VIN > 5.5 V
        1. 8.2.9.1 Design Requirements
      10. 8.2.10 LM3410X WSON: Camera Flash or Strobe Circuit Application
        1. 8.2.10.1 Design Requirements
      11. 8.2.11 LM3410X SOT-23: 5 × 1206 Series LED String Application With VIN and VPWR Rail > 5.5 V
        1. 8.2.11.1 Design Requirements
      12. 8.2.12 LM3410X WSON: Boot-Strap Circuit to Extend Battery Life
        1. 8.2.12.1 Design Requirements
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
    3. 10.3 Thermal Considerations
      1. 10.3.1 Design
      2. 10.3.2 LM3410 and LM3410-Q1 Thermal Models
      3. 10.3.3 Calculating Efficiency and Junction Temperature
        1. 10.3.3.1 Quiescent Power Losses
        2. 10.3.3.2 RSET Power Losses
      4. 10.3.4 Example Efficiency Calculation
      5. 10.3.5 Calculating RθJA and RΨJC
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Community Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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4 Revision History

Changes from G Revision (April 2013) to H Revision

  • Added Device Information table, ESD Ratings table, Thermal Information table, Detailed Description section, Feature Description section, Device Functional Modes section, Application and Implementation section, Typical Application section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information sectionGo
  • Added AEC-Q100 Test Guidance bullets to FeaturesGo
  • Changed RθJA value for NGG package from 80°C/W : to 55.3°C/WGo
  • Changed RθJA value for DGN package from 80°C/W : to 53.7°C/WGo
  • Changed RθJA value for DBV package from 118°C/W : to 164.2°C/WGo
  • Changed RθJC(top) value for NGG package from 18°C/W : to 65.9°C/WGo
  • Changed RθJC(top) value for DGN package from 18°C/W : to 61.4°C/WGo
  • Changed RθJC(top) value for DBV package from 60°C/W : to 115.3°C/WGo

Changes from F Revision (May 2013) to G Revision

  • Changed layout of National Semiconductor Data Sheet to TI formatGo