SLVSAU2C May   2011  – December 2015 TPS54227

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
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 PWM Operation
      2. 7.3.2 PWM Frequency and Adaptive ON-Time Control
      3. 7.3.3 Soft-Start and Prebiasd Soft-Start
      4. 7.3.4 Current Protection
      5. 7.3.5 UVLO Protection
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Forced CCM Operation
  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 Output Voltage Resistors Selection
        2. 8.2.2.2 Output Filter Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Bootstrap Capacitor Selection
        5. 8.2.2.5 VREG5 Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    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

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Revision History

Changes from B Revision (June 2013) to C Revision

  • Deleted Ordering Information table Go
  • Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information sectionGo

Changes from A Revision (October 2011) to B Revision

  • Removed (SWIFT™) from the data sheet titleGo
  • Added "and 10-pin DRC" to the DESCRIPTIONGo
  • Added the DRC-10 Pin package pin outGo
  • Changed the VBST(vs SW) MAX value From: 5.7V to 6V in the ROC tableGo
  • Added High-side switch resistance (DRC)Go
  • Added a conditions statement "VIN = 12 V, TA = 25°C" to the TYPICAL CHARACTERISTICS Go
  • Changed Figure 11 title From: 1.05-V, 50-mA to 2-A LOAD TRANSIENT RESPONSE To: 1.05-V, 0-A to 2-A LOAD TRANSIENT RESPONSEGo
  • Added Figure 18Go

Changes from * Revision (May 2010) to A Revision

  • Corrected the pin numbers for Pins 5 through 8Go
  • Added REN - EN pin resistance to GND to the LOGIC THRESHOLD section of the ELECTRICAL CHARACTERISTICS tableGo
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