SLUSFL4A April   2024  – October 2024 UCC27614-Q1

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 Switching Characteristics
    7. 5.7 Timing Diagrams
    8. 5.8 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 VDD Undervoltage Lockout
      2. 6.3.2 Input Stage
      3. 6.3.3 Enable Function
      4. 6.3.4 Output Stage
    4. 6.4 Device Functional Modes
  8. 7  Applications and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Driving MOSFET/IGBT/SiC MOSFET
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Input-to-Output Configuration
          2. 7.2.1.2.2 Input Threshold Type
          3. 7.2.1.2.3 VDD Bias Supply Voltage
          4. 7.2.1.2.4 Peak Source and Sink Currents
          5. 7.2.1.2.5 Enable and Disable Function
          6. 7.2.1.2.6 Propagation Delay and Minimum Input Pulse Width
          7. 7.2.1.2.7 Power Dissipation
        3. 7.2.1.3 Application Curves
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
    3. 9.3 Thermal Consideration
  11. 10Device and Documentation Support
    1. 10.1 Third-Party Products Disclaimer
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

5.4 Thermal Information

THERMAL METRIC(1) UCC27614 UNIT
DSG (SON) DGN (VSSOP) D (SOIC)
8 PINS 8 PINS 8 PINS
RθJA Junction-to-ambient thermal resistance 67.9 48.9 126.4 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 81.1 71.8 67.0
RθJB Junction-to-board thermal resistance 33.4 22.3 69.9
ψJT Junction-to-top characterization parameter 2.4 2.6 19.2
ψJB Junction-to-board characterization parameter

33.4

 22.3 69.1
RθJC(bot) Junction-to-case (bottom) thermal resistance 12.2 4.5 n/a
(1) For more information about traditional and new thermal metrics, see Semiconductor and IC Package Thermal Metrics Application Report (SPRA953).