SGLS318A November   2005  – November 2015 UC2854B-EP

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
    6. 7.6 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 Multiply/Square and Divide
      2. 8.3.2 Voltage Amplifier
      3. 8.3.3 Current Amplifier
      4. 8.3.4 Miscellaneous
    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  Switching Frequency
        2. 9.2.2.2  Inductor Selection
        3. 9.2.2.3  Output Capacitor
        4. 9.2.2.4  Switch and Diode
        5. 9.2.2.5  Current Sensing
        6. 9.2.2.6  Peak Current Limit
        7. 9.2.2.7  Multiplier Set-up
        8. 9.2.2.8  Feedforward Voltage
        9. 9.2.2.9  Multiplier Input Current
        10. 9.2.2.10 Oscillator Frequency
        11. 9.2.2.11 Current Error Amplifier Compensation
        12. 9.2.2.12 Voltage Error Amplifier Compensation
        13. 9.2.2.13 Feedforward Voltage Divider Filter Capacitors
        14. 9.2.2.14 Design Procedure Summary
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Community Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

10 Power Supply Recommendations

Power can be converted efficiently using any of several standard topologies. Design tradeoffs of cost, size, and performance generally narrow the field to one that is most appropriate. This demonstration application uses the off-line boost converter for the configuration.