SLUS545F November   2002  – November 2023 UCC27423 , UCC27424 , UCC27425

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 Dissipation Ratings
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Enable
      2. 7.3.2 Input Stage
      3. 7.3.3 Output Stage
    4. 7.4 Device Functional Modes
  9. 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 Source and Sink Capabilities During Miller Plateau
        2. 8.2.2.2 Parallel Outputs
        3. 8.2.2.3 VDD
        4. 8.2.2.4 Drive Current and Power Requirements
      3. 8.2.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
  • P|8
  • DGN|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.4 Thermal Information

THERMAL METRIC(1)UCC2742xUNIT
D (SOIC)DGN (MSOP)P (PDIP)
8 PINS8 PINS8 PINS
RθJAJunction-to-ambient thermal resistance107.356.655.5°C/W
RθJC(top)Junction-to-case (top) thermal resistance52.252.845.3°C/W
RθJBJunction-to-board thermal resistance47.332.632.6°C/W
ψJTJunction-to-top characterization parameter10.21.823.0°C/W
ψJBJunction-to-board characterization parameter46.832.332.5°C/W
RθJC(bot)Junction-to-case (bottom) thermal resistance–5.9–°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.