JAJSD31E march   2017  – june 2023 TPS61253A , TPS61253E

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Revision History
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
  8. 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 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Start-up
      2. 8.3.2 Enable and Disable
      3. 8.3.3 Undervoltage Lockout (UVLO)
      4. 8.3.4 Current Limit Operation
      5. 8.3.5 Load Disconnection
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Auto PFM Mode
      2. 8.4.2 Forced PWM Mode
      3. 8.4.3 Ultrasonic Mode
      4. 8.4.4 Pass-Through Mode
  10. 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 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Output Capacitor
        4. 9.2.2.4 Input Capacitor
        5. 9.2.2.5 Checking Loop Stability
        6. 9.2.2.6 Application Curves
      3. 9.2.3 System Examples
  11.   Power Supply Recommendations
  12. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  13. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 サード・パーティ製品に関する免責事項
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 ドキュメントの更新通知を受け取る方法
    4. 11.4 サポート・リソース
    5. 11.5 Trademarks
    6. 11.6 静電気放電に関する注意事項
    7. 11.7 用語集
  14.   Mechanical, 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

5 Device Comparison

PART NUMBER OUTPUT VOLTAGE SW VALLEY CURRENT LIMIT (TYP.) DC START-UP CURRENT LIMT (TYP.) INPUT START-UP VOLTGAE EN I/O LOGIC SPECIFIC FEATURES
TPS61253A 5 V 4 A 1.5 A 2.3 V Supports 1.8 V logic I/O Supports output 5 V, up to 1500 mA
TPS612532A 5 V 4 A 1.5 A 2.3 V Supports 1.8 V logic I/O Supports output 5 V, up to 1500 mA with output discharge function
TPS61254A(1) 4.5 V 2.5 A 0.75 A 2.3 V Supports 1.8 V logic I/O Supports output 4.5 V, up to 1000 mA
TPS61255A(1) 4.7 V 4 A 1.5 A 2.3 V Supports 1.8 V logic I/O Supports output 4.5 V, up to 1500 mA
TPS612561A(1) 5 V 2.5 A 0.75 A 2.3 V Supports 1.8 V logic I/O Supports output 5 V, up to 1000 mA
TPS61258A(1) 4.5 V 4 A 1.5 A 2.3 V Supports 1.8 V logic I/O Supports output 4.5 V, up to 1500 mA
TPS612592A(1) 5.2 V 4 A 0.75 A 2.3 V Supports 1.8 V logic I/O Supports output 5.2 V, up to 1500 mA
TPS612531A(1) 5 V 4 A 1.5 A 2.3 V Supports 1.8 V logic I/O Supports output 5 V, up to 1500 mA with PFM/PWM mode only
TPS61253E 5.25 V 4.5 A 1.5 A 2.6 V Supports both 1.8 V and 1.2 V logic I/O Supports output 5.25 V, up to 1500 mA
(1) Preview. Contact TI factory for more information.