SNVS520F August   2008  – November 2016 LM3686

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (Continued)
  6. 6 Pin Configuration and Functions
  7. 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: Linear Regulator - LILO
    6. 7.6 Electrical Characteristics: Linear Regulator - LDO
    7. 7.7 Electrical Characteristics: DC-DC Converter
    8. 7.8 Electrical Characteristics: Global Parameters (DCDC, LILO, and LDO)
    9. 7.9 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 DC-DC Converter Operation
        1. 8.3.1.1 PWM Operation
        2. 8.3.1.2 PFM Operation
        3. 8.3.1.3 Internal Synchronous Rectification
        4. 8.3.1.4 Current Limiting
        5. 8.3.1.5 Soft Start
      2. 8.3.2 Linear Regulator Operation (LILO)
        1. 8.3.2.1 Start-up Mode
      3. 8.3.3 Current Limiting (LDO and LILO)
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Application Selection
        2. 9.2.2.2 Inductor Selection
          1. 9.2.2.2.1 Method 1
          2. 9.2.2.2.2 Method 2
        3. 9.2.2.3 External Capacitors
        4. 9.2.2.4 Input Capacitor Selection
          1. 9.2.2.4.1 CIN_DC-DC
          2. 9.2.2.4.2 CIN_LILO
          3. 9.2.2.4.3 CIN_LDO
        5. 9.2.2.5 Output Capacitor
          1. 9.2.2.5.1 COUT_DCDC
          2. 9.2.2.5.2 COUT_LILO
          3. 9.2.2.5.3 COUT_LDO
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 DSBGA Package Assembly and Use
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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4 Revision History

Changes from E Revision (May 2013) to F Revision

  • Deleted "one integrated" Go
  • Deleted "from a single Li-Ion cell or 3-cell NiMH/NiCd batteries." Go
  • Added Device Information and ESD Ratings tables, Pin Configuration and Functions, Feature Description, Device Functional Modes, Application and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable Information sectionsGo
  • Combine some bullet items and delete parentheticals from Features to get more space Go
  • Deleted out-of-date Device Comparison table Go
  • Deleted lead temperature from Abs Max per TI data sheet standard Go
  • Changed RθJA from "120°C/W" to "80.9°C/W"; added additional thermal valuesGo
  • Changed "drains conductor" to "drains inductor" on Figure 13Go

Changes from D Revision (April 2013) to E Revision

  • Changed layout of National Semiconductor data sheet to TI formatGo