SNVS363E August   2005  – November 2015 LM5026

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  High Voltage Start-Up Regulator
      2. 7.3.2  Line Undervoltage Detector
      3. 7.3.3  PWM Outputs
      4. 7.3.4  Gate Driver Outputs
      5. 7.3.5  PWM Comparator/Slope Compensation
      6. 7.3.6  Maximum Duty Cycle Clamp
      7. 7.3.7  Soft-Start / Soft-Stop
      8. 7.3.8  Current Sense and Current Limit
      9. 7.3.9  Overload Protection Timer
      10. 7.3.10 Oscillator and Sync Capability
      11. 7.3.11 Thermal Protection
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Line Input (VIN)
      2. 8.1.2 For Application > 100 V
      3. 8.1.3 Undervoltage Lockout (UVLO)
      4. 8.1.4 Oscillator (RT, SYNC)
      5. 8.1.5 Voltage Feedback (COMP)
      6. 8.1.6 Current Sense (CS)
      7. 8.1.7 Hiccup Mode Current Limit Restart (RES)
      8. 8.1.8 Soft-Start (SS)
      9. 8.1.9 Voltage-Dependent Maximum Duty Cycle
        1. 8.1.9.1 Programmable Maximum Duty Cycle Clamp (DCL)
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Determine VIN Configuration
        2. 8.2.2.2 Determine UVLO Configuration
        3. 8.2.2.3 Configure Operating Frequency
        4. 8.2.2.4 Configure Hiccup Mode and Soft Start
        5. 8.2.2.5 Determine Deadtime and Maximum Duty Cycle
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

4 Revision History

Changes from D Revision (April 2013) to E Revision

  • 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

Changes from C Revision (April 2013) to D Revision

  • Changed layout of National Data Sheet to TI formatGo