SLUSA21A February   2010  – December 2014 UCC2818A-Q1

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 Thermal Information
    4. 6.4 Electrical Characteristics
  7. 7 Detailed Description
    1. 7.1 Functional Block Diagram
    2. 7.2 Feature Description
      1. 7.2.1  Current Amplifier Noninverting Input, CAI
      2. 7.2.2  Current Amplifier Output, CAOUT
      3. 7.2.3  Oscillator Timing Capacitor, CT
      4. 7.2.4  Gate Drive, DRVOUT
      5. 7.2.5  Ground, GND
      6. 7.2.6  Current Proportional to Input Voltage, IAC
      7. 7.2.7  Multiplier Output and Current Amplifier Inverting Input, MOUT
      8. 7.2.8  Overvoltage and Enable, OVP/EN
      9. 7.2.9  PFC Peak Current-Limit, PKLMT
      10. 7.2.10 Oscillator Charging Current, RT
      11. 7.2.11 Soft Start, SS
      12. 7.2.12 Voltage amplifier output, VAOUT
      13. 7.2.13 Positive Supply Voltage, VCC
      14. 7.2.14 Feed-Forward Voltage, VFF
      15. 7.2.15 Voltage Amplifier Inverting Input, VSENSE
      16. 7.2.16 Voltage Reference Output, VREF
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Detailed Design Procedure
        1. 8.2.1.1 Power Stage
          1. 8.2.1.1.1 LBOOST
          2. 8.2.1.1.2 COUT
        2. 8.2.1.2 Soft Start
        3. 8.2.1.3 Multiplier
        4. 8.2.1.4 Voltage Loop
        5. 8.2.1.5 Current Loop
          1. 8.2.1.5.1 Start Up
          2. 8.2.1.5.2 Capacitor Ripple Reduction
      2. 8.2.2 Application Curves
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9 Device and Documentation Support

9.1 Device Support

9.1.1 Development Support

Evaluation Module, UCC3817EVM, 385V, 250W PFC Boost Converter, http://www.ti.com/tool/UCC3817EVM

9.2 Documentation Support

9.2.1 Related Documentation

For related documentation see the following:

  • Differences Between UCC3817A/18A/19A and UCC3817/18/19, SLUA294
  • Using the UCC3817EVM, SLUU077
  • Synchronizing a PFC Controller from a Downstream Converter’s Gate Drive, SLUA245
  • Seminar topic, High Power Factor Switching Preregulator Design Optimization, L.H. Dixon, SEM−700,1990.
  • Seminar topic, High Power Factor Preregulator for Off−line Supplies, L.H. Dixon, SEM−600, 1988.

9.3 Trademarks

Unitrode is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

9.4 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

9.5 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.