SLUSFW8A March   2025  – March 2026 UCC27624V

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 Operating Supply Current
      2. 6.3.2 Input Stage
      3. 6.3.3 Enable Function
      4. 6.3.4 Output Stage
      5. 6.3.5 Low Propagation Delays and Tightly Matched Outputs
    4. 6.4 Device Functional Modes
  8. 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
        1. 7.2.2.1 VDD and Undervoltage Lockout
        2. 7.2.2.2 Drive Current and Power Dissipation
      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
      3. 7.4.3 Thermal Considerations
  9. 8 Device and Documentation Support
    1. 8.1 Third-Party Products Disclaimer
    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
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

7.2.3 Application Curves

The figures below show the typical switching characteristics of the UCC27624V device used in high-voltage boost converter application. In this application, the UCC27624V is driving the IGBT switch that has a gate charge of 110nC.

UCC27624V UCC27624V Used to Drive IGBT in the Boost ConverterFigure 7-3 UCC27624V Used to Drive IGBT in the Boost Converter
UCC27624V Turn-On Propagation Delay Waveform
Vin = 210V, Vout = 235V, Iout = 1.14A, Fsw = 125kHz, driver supply voltage = 15V, gate resistor = 0Ω
Figure 7-4 Turn-On Propagation Delay Waveform
UCC27624V Turn-Off Propagation Delay Waveform
Vin = 210V, Vout = 235V, Iout = 1.14A, Fsw = 100kHz, driver supply voltage = 15V, gate resistor = 0Ω
Figure 7-5 Turn-Off Propagation Delay Waveform