JAJSEO3D June   2012  – February 2018 TPS81256

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
    1.     標準アプリケーション
    2.     効率と負荷電流との関係
  3. 概要
  4. 改訂履歴
  5. Device Options
  6. Pin Configuration and Functions
    1.     Pin Functions
  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. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Operation
      2. 8.3.2 Power-Save Mode
      3. 8.3.3 Current Limit Operation, Maximum Output Current
    4. 8.4 Device Functional Modes
      1. 8.4.1 Softstart, Enable
      2. 8.4.2 Load Disconnect and Reverse Current Protection
      3. 8.4.3 Undervoltage Lockout
      4. 8.4.4 Thermal Regulation
      5. 8.4.5 Thermal Shutdown
  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 Output Capacitor Selection CEXT
        2. 9.2.2.2 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Surface Mount Information
    4. 11.4 Thermal and Reliability Information
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 デバイス・サポート
      1. 12.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 12.2 コミュニティ・リソース
    3. 12.3 商標
    4. 12.4 静電気放電に関する注意事項
    5. 12.5 Glossary
  13. 13メカニカル、パッケージ、および注文情報

Application Curves

TPS81256 startup_noload_lvsaz9.gifFigure 14. Start-Up
TPS81256 acload1_lvsaz9.gifFigure 16. AC Load Transient
TPS81256 ldtr2_lvsaz9.gifFigure 18. Load Transient Response
In PFM/PWM Operation

TPS81256 lineloadtr_lvsaz9.gifFigure 20. Combined Line/Load Transient Response
TPS81256 overloadrecovery1_lvsaz9.gifFigure 15. Overload Recovery Response
TPS81256 ldtr1_lvsaz9.gifFigure 17. Load Transient Response
In PFM/PWM Operation
TPS81256 ldtr3_lvsaz9.gifFigure 19. Load Transient Response In PFM/PWM Operation