SNVSB14C April   2018  – October 2021 LM5036

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 Switching Characteristics
   7. 6.7 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  Undervoltage Lockout (UVLO)
      3. 7.3.3  Reference Regulator
      4. 7.3.4  Oscillator, Synchronized Input
      5. 7.3.5  Voltage-Mode Control
      6. 7.3.6  Primary-Side Gate Driver Outputs (LSG and HSG)
      7. 7.3.7  Half-Bridge PWM Scheme
      8. 7.3.8  Maximum Duty Cycle Operation
      9. 7.3.9  Pre-Biased Start-Up Process
         1. 7.3.9.1 Primary FETs Soft-Start Process
         2. 7.3.9.2 Synchronous Rectifier (SR) Soft-Start Process
      10. 7.3.10 Zero Duty Cycle Operation
      11. 7.3.11 Enhanced Cycle-by-Cycle Current Limiting with Pulse Matching
      12. 7.3.12 Reverse Current Protection
      13. 7.3.13 CBC Threshold Accuracy
      14. 7.3.14 Hiccup Mode Protection
      15. 7.3.15 Hiccup Mode Blanking
      16. 7.3.16 Over-Temperature Protection (OTP)
      17. 7.3.17 Over-Voltage / Latch (ON_OFF Pin)
      18. 7.3.18 Auxiliary Constant On-Time Control
      19. 7.3.19 Auxiliary On-Time Generator
      20. 7.3.20 Auxiliary Supply Current Limiting
      21. 7.3.21 Auxiliary Primary Output Capacitor Ripple
      22. 7.3.22 Auxiliary Ripple Configuration and Control
      23. 7.3.23 Asynchronous Mode Operation of Auxiliary Supply
   4. 7.4 Device Functional Modes
8. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
         1. 8.2.2.1  Custom Design With WEBENCH? Tools
         2. 8.2.2.2  Input Transient Protection
         3. 8.2.2.3  Level-Shift Detection Circuit
         4. 8.2.2.4  Applications with VIN > 100-V
         5. 8.2.2.5  Applications without Pre-Biased Start-Up Requirement
         6. 8.2.2.6  UVLO Voltage Divider Selection
         7. 8.2.2.7  Over Voltage, Latch (ON_OFF Pin) Voltage Divider Selection
         8. 8.2.2.8  SS Capacitor
         9. 8.2.2.9  SSSR Capacitor
         10. 8.2.2.10 Half-Bridge Power Stage Design
         11. 8.2.2.11 Current Limit
         12. 8.2.2.12 Auxiliary Transformer
         13. 8.2.2.13 Auxiliary Feedback Resistors
         14. 8.2.2.14 RON Resistor
         15. 8.2.2.15 VIN Pin Capacitor
         16. 8.2.2.16 Auxiliary Primary Output Capacitor
         17. 8.2.2.17 Auxiliary Secondary Output Capacitor
         18. 8.2.2.18 Auxiliary Feedback Ripple Circuit
         19. 8.2.2.19 Auxiliary Secondary Diode
         20. 8.2.2.20 VCC Diode
         21. 8.2.2.21 Opto-Coupler Interface
         22. 8.2.2.22 Full-Bridge Converter Applications
      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 Device Support
       1. 11.1.1 Custom Design With WEBENCH? Tools
    2. 11.2 Documentation Support
       1. 11.2.1 Related Documentation
          1. 11.2.1.1 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
12. 12Mechanical, Packaging, and Orderable Information