SLVSHC5B November   2023  – July 2024 TPS548D26

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Internal VCC LDO and Using an External Bias on the VCC and VDRV Pin
      2. 6.3.2  Input Undervoltage Lockout (UVLO)
        1. 6.3.2.1 Fixed VCC_OK UVLO
        2. 6.3.2.2 Fixed VDRV UVLO
        3. 6.3.2.3 Fixed PVIN UVLO
        4. 6.3.2.4 Enable
      3. 6.3.3  Set the Output Voltage
      4. 6.3.4  Differential Remote Sense and Feedback Divider
      5. 6.3.5  Start-Up and Shutdown
      6. 6.3.6  Loop Compensation
      7. 6.3.7  Set Switching Frequency and Operation Mode
      8. 6.3.8  Switching Node (SW)
      9. 6.3.9  Overcurrent Limit and Low-side Current Sense
      10. 6.3.10 Negative Overcurrent Limit
      11. 6.3.11 Zero-Crossing Detection
      12. 6.3.12 Input Overvoltage Protection
      13. 6.3.13 Output Undervoltage and Overvoltage Protection
      14. 6.3.14 Overtemperature Protection
      15. 6.3.15 Power Good
    4. 6.4 Device Functional Modes
      1. 6.4.1 Forced Continuous-Conduction Mode
      2. 6.4.2 Auto-Skip Eco-mode Light Load Operation
      3. 6.4.3 Powering the Device From a 12-V Bus
      4. 6.4.4 Powering the Device From a Split-Rail Configuration
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Application
      2. 7.2.2 Design Requirements
      3. 7.2.3 Detailed Design Procedure
        1. 7.2.3.1 Inductor Selection
        2. 7.2.3.2 Input Capacitor Selection
        3. 7.2.3.3 Output Capacitor Selection
        4. 7.2.3.4 VCC and VRDV Bypass Capacitor
        5. 7.2.3.5 BOOT Capacitor Selection
        6. 7.2.3.6 PG Pullup Resistor Selection
      4. 7.2.4 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
        1. 7.4.2.1 Thermal Performance on TPS548D26 Evaluation Board
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

9 Revision History

Changes from Revision A (February 2024) to Revision B (July 2024)

  • Changed OVERCURRENT LIMIT 7.5kΩ, MIN, TYP, MAX from 11, 13, 15 to 11.5, 13.4, 16Go
  • Changed OVERCURRENT LIMIT 12.1kΩ, MIN, TYP, MAX from 18, 20, 22 to 18.8, 21, 23.3Go
  • Changed OVERCURRENT LIMIT 16.2kΩ, MIN, TYP, MAX from 24.3, 27, 29.7 to 25.5, 28.5, 31.5Go
  • Changed OVERCURRENT LIMIT 21.5kΩ, MIN, TYP, MAX from 31.5, 35, 38.5 to 32.8, 36.5, 40.3Go
  • Changed OVERCURRENT LIMIT 24.9kΩ, MIN, TYP, MAX from 36.9, 41, 45.1 to 39, 43, 47.5Go
  • Changed NEGATIVE OVERCURRENT LIMIT MIN, TYP, MAX from –18, –16, –14 to –20, –17.6, –15.4Go

Changes from Revision * (November 2023) to Revision A (February 2024)

  • Changed document status from Advance Information to Production DataGo