SLUS492J June   2001  – September 2018 UCC27323 , UCC27324 , UCC27325 , UCC37323 , UCC37324 , UCC37325

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Simplified Application Diagram
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Stage
      2. 8.3.2 Output Stage
    4. 8.4 Device Functional Modes
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Source/Sink Capabilities During Miller Plateau
        2. 9.2.2.2 Parallel Outputs
        3. 9.2.2.3 VDD
        4. 9.2.2.4 Driver Current and Power Requirements
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resource
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Application Curves

Figure 9 shows the circuit performance achievable with a single driver (half of the 8-pin IC) driving a 10-nF load. The input pulse width (not shown) is set to 300 ns to show both transitions in the output waveform. Note the linear rise and fall edges of the switching waveforms which is due to the constant output current characteristic of the driver as opposed to the resistive output impedance of traditional MOSFET-based gate drivers.

Sink and source currents of the driver are dependent upon the VDD value and the output capacitive load. The larger the VDD value, the higher the current capability; also, the larger the capacitive load, the higher the current sink and source capability.

Trace resistance and inductance, including wires and cables for testing, slows down the rise and fall times of the outputs; thus reducing the current capabilities of the driver.

To achieve higher current results, reduce resistance and inductance on the board as much as possible and increase the capacitive load value in order to swamp out the effect of inductance values.

UCC27323 UCC27324 UCC27325 UCC37323 UCC37324 UCC37325 figure5_slus492.gif
CL = 10 nF, CL = 10 nF, VDD = 12 V
Figure 9. Rising and Falling Time of UCCx732x