SNVS217G May   2004  – September 2015 LM2731

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
      1. 7.1.1 Theory of Operation
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
   4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Pin Operation
      2. 7.4.2 Thermal Shutdown
      3. 7.4.3 Current Limit
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  Selecting the External Capacitors
         2. 8.2.2.2  Selecting the Output Capacitor
         3. 8.2.2.3  Selecting the Input Capacitor
         4. 8.2.2.4  Feedforward Compensation
         5. 8.2.2.5  Selecting Diodes
         6. 8.2.2.6  Setting the Output Voltage
         7. 8.2.2.7  Switching Frequency
         8. 8.2.2.8  Duty Cycle
         9. 8.2.2.9  Inductance Value
         10. 8.2.2.10 Maximum Switch Current
         11. 8.2.2.11 Calculating Load Current
         12. 8.2.2.12 Design Parameters VSW and ISW
         13. 8.2.2.13 Inductor Suppliers
      3. 8.2.3 Application Curves
   3. 8.3 System Examples
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
11. 11Device and Documentation Support
    1. 11.1 Device Support
       1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
12. 12Mechanical, Packaging, and Orderable Information