SCDS263E September   2009  – July 2024 TS3USB221E

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  Dynamic Electrical Characteristics, VCC = 3.3 V ±10%
    7. 5.7  Dynamic Electrical Characteristics, VCC = 2.5 V ±10%
    8. 5.8  Switching Characteristics, VCC = 3.3 V ±10%
    9. 5.9  Switching Characteristics, VCC = 2.5 V ±10%
    10. 5.10 Typical Characteristics
  7.   Parameter Measurement Information
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Low Power Mode
    4. 6.4 Device Functional Modes
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information

5.4 Thermal Information

THERMAL METRIC(1)TS3USB221EUNIT
DRC (VSON)RSE (UQFN)
10 PINS10 PINS
RθJAJunction-to-ambient thermal resistance57.7204.8°C/W
RθJC(top)Junction-to-case (top) thermal resistance87.7118.1
RθJBJunction-to-board thermal resistance32.6121.5
ψJTJunction-to-top characterization parameter8.213.9
ψJBJunction-to-board characterization parameter32.8121.2
RθJC(bot)Junction-to-case (bottom) thermal resistance18.5N/A
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application note.