SLVS932F May   2009  – November 2014 TPS54325

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Thermal Information
    4. 7.4 Recommended Operating Conditions
    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 Soft Start and Pre-Biased Soft Start
      2. 8.3.2 Power Good
      3. 8.3.3 Output Discharge Control
      4. 8.3.4 Current Protection
      5. 8.3.5 Overvoltage and Undervoltage Protection
      6. 8.3.6 UVLO Protection
      7. 8.3.7 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 PWM Operation
      2. 8.4.2 PWM Frequency and Adaptive On-Time Control
      3. 8.4.3 Operation with VIN < 4.5 V
      4. 8.4.4 Operation With EN Control
  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 Output Voltage Resistors Selection
        2. 9.2.2.2 Output Filter Selection
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Bootstrap Capacitor Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
      2. 12.1.2 Development Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

5 Revision History

Changes from E Revision (January 2014) to F Revision

  • Added, updated, or renamed the following sections: Device Information Table, Application and Implementation; Power Supply Recommendations; Layout; Device and Documentation Support; Mechanical, Packaging, and Ordering InformationGo

Changes from D Revision (January 2012) to E Revision

  • Changed text in the Bootstrap Capacitor Selection from "between the VREG5 to GND pin for proper operation" to "between the VBST to SW pin for proper operationGo

Changes from C Revision (July 2011) to D Revision

  • Removed (SWIFT™) from the data sheet titleGo
  • Added conditions to Typical CharacteristicsGo

Changes from B Revision (March 2011) to C Revision

  • Changed EN high-level input voltage from min of 2.0 V to min of 1.6 VGo
  • Changed EN low-level input voltage from max of 0.48 V to max of 0.4 VGo

Changes from * Revision (May 2009) to A Revision

  • Changed TA, for the current limit, Iocl, From: 25°C to –40°C To: 85°C and 3.5 A was added at the MIN valueGo
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