SLUSDE1E September   2018  – November 2024 UCC21540 , UCC21540A , UCC21541 , UCC21542

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
    1. 5.1 Pin Configuration and Functions
    2. 5.2 UCC21542 Pin 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Limiting Values
    8. 6.8  Electrical Characteristics
    9. 6.9  Switching Characteristics
    10. 6.10 Insulation Characteristics Curves
    11. 6.11 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Minimum Pulses
    2. 7.2 Propagation Delay and Pulse Width Distortion
    3. 7.3 Rising and Falling Time
    4. 7.4 Input and Disable Response Time
    5. 7.5 Programmable Dead Time
    6. 7.6 Power-Up UVLO Delay to OUTPUT
    7. 7.7 CMTI Testing
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 VDD, VCCI, and Under Voltage Lock Out (UVLO)
      2. 8.3.2 Input and Output Logic Table
      3. 8.3.3 Input Stage
      4. 8.3.4 Output Stage
      5. 8.3.5 Diode Structure in the UCC2154x
    4. 8.4 Device Functional Modes
      1. 8.4.1 Disable Pin
      2. 8.4.2 Programmable Dead Time (DT) Pin
        1. 8.4.2.1 DT Pin Tied to VCCI
        2. 8.4.2.2 Connecting a Programming Resistor between DT and GND Pins
  10. 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 Designing INA/INB Input Filter
        2. 9.2.2.2 Select Dead Time Resistor and Capacitor
        3. 9.2.2.3 Select External Bootstrap Diode and Its Series Resistor
        4. 9.2.2.4 Gate Driver Output Resistor
        5. 9.2.2.5 Gate to Source Resistor Selection
        6. 9.2.2.6 Estimating Gate Driver Power Loss
        7. 9.2.2.7 Estimating Junction Temperature
        8. 9.2.2.8 Selecting VCCI, VDDA/B Capacitor
          1. 9.2.2.8.1 Selecting a VCCI Capacitor
          2. 9.2.2.8.2 Selecting a VDDA (Bootstrap) Capacitor
          3. 9.2.2.8.3 Select a VDDB Capacitor
        9. 9.2.2.9 Application Circuits with Output Stage Negative Bias
      3. 9.2.3 Application Curves
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Component Placement Considerations
      2. 11.1.2 Grounding Considerations
      3. 11.1.3 High-Voltage Considerations
      4. 11.1.4 Thermal Considerations
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  14. 13Revision History
  15. 14Mechanical, Packaging, and Orderable Information

6.11 Typical Characteristics

VDDA = VDDB = 15 V, VCCI = 3.3 V or 5.0 V, DT pin tied to VCCI, TA = 25°C, CL = 0 pF unless otherwise noted.

UCC21540 UCC21540A UCC21541 UCC21542 VCCI Quiescent Current
No Load INA = INB = GND
Figure 6-6 VCCI Quiescent Current
UCC21540 UCC21540A UCC21541 UCC21542 VDD Per Channel Operating Current - IVDDA/B
No Load
Figure 6-8 VDD Per Channel Operating Current - IVDDA/B
UCC21540 UCC21540A UCC21541 UCC21542 5-V VDD UVLO Threshold VoltageFigure 6-10 5-V VDD UVLO Threshold Voltage
UCC21540 UCC21540A UCC21541 UCC21542 8-V VDD UVLO Threshold Voltage
Figure 6-12 8-V VDD UVLO Threshold Voltage
UCC21540 UCC21540A UCC21541 UCC21542 INA/INB/DIS High and Low Threshold Hysteresis
Figure 6-14 INA/INB/DIS High and Low Threshold Hysteresis
UCC21540 UCC21540A UCC21541 UCC21542 Propagation Delay, Rising and Falling Edge
Figure 6-16 Propagation Delay, Rising and Falling Edge
UCC21540 UCC21540A UCC21541 UCC21542 Pulse Width Distortion
tPDLH – tPDHL
Figure 6-18 Pulse Width Distortion
UCC21540 UCC21540A UCC21541 UCC21542 Dead Time Temperature Drift
Figure 6-20 Dead Time Temperature Drift
UCC21540 UCC21540A UCC21541 UCC21542 VDD Per Channel Quiescent Current (IVDDA, IVDDB)
No Load INA = INB = GND
Figure 6-7 VDD Per Channel Quiescent Current (IVDDA, IVDDB)
UCC21540 UCC21540A UCC21541 UCC21542 Per Channel Operating Current (IVDDA/B) vs. Frequency, 1.8nF load
Figure 6-9 Per Channel Operating Current (IVDDA/B) vs. Frequency, 1.8nF load
UCC21540 UCC21540A UCC21541 UCC21542 5-V VDD UVLO Hysteresis VoltageFigure 6-11 5-V VDD UVLO Hysteresis Voltage
UCC21540 UCC21540A UCC21541 UCC21542 8-V VDD UVLO Threshold Hysteresis Voltage
Figure 6-13 8-V VDD UVLO Threshold Hysteresis Voltage
UCC21540 UCC21540A UCC21541 UCC21542 OUT Pullup and Pulldown Resistance
Figure 6-15 OUT Pullup and Pulldown Resistance
UCC21540 UCC21540A UCC21541 UCC21542 Propagation Delay Matching, Rising and Falling Edge
Figure 6-17 Propagation Delay Matching, Rising and Falling Edge
UCC21540 UCC21540A UCC21541 UCC21542 Rise Time and Fall Time with Load
Figure 6-19 Rise Time and Fall Time with Load
UCC21540 UCC21540A UCC21541 UCC21542 Dead Time Matching
Figure 6-21 Dead Time Matching