SLUSCV6A April   2017  – February 2018 UCC21225A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Functional Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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-Related Certifications
    8. 6.8  Safety-Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Switching Characteristics
    11. 6.11 Insulation Characteristics and Thermal Derating Curves
    12. 6.12 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Propagation Delay and Pulse Width Distortion
    2. 7.2 Rising and Falling Time
    3. 7.3 Input and Disable Response Time
    4. 7.4 Programable Dead Time
    5. 7.5 Power-up UVLO Delay to OUTPUT
    6. 7.6 CMTI Testing
  8. 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 UCC21225A
    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 Tying the DT Pin to VCC
        2. 8.4.2.2 DT Pin Left Open or Connected to a Programming Resistor between DT and GND Pins
  9. 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 External Bootstrap Diode and Series Resistor
        3. 9.2.2.3 Gate Driver Output Resistor
        4. 9.2.2.4 Estimate Gate Driver Power Loss
        5. 9.2.2.5 Estimating Junction Temperature
        6. 9.2.2.6 Selecting VCCI, VDDA/B Capacitor
          1. 9.2.2.6.1 Selecting a VCCI Capacitor
          2. 9.2.2.6.2 Selecting a VDDA (Bootstrap) Capacitor
          3. 9.2.2.6.3 Select a VDDB Capacitor
        7. 9.2.2.7 Dead Time Setting Guidelines
        8. 9.2.2.8 Application Circuits with Output Stage Negative Bias
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Certifications
      1. 12.2.1 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.12 Typical Characteristics

VDDA = VDDB = 12 V, VCCI = 3.3 V, TA = 25°C, No load unless otherwise noted.
UCC21225A NO_LOAD_I_5_17.gif
Figure 4. Per Channel Current Consumption vs. Frequency (No Load, VDD = 12 V or 25 V)
UCC21225A 10nF_I_5_17.gif
Figure 6. Per Channel Current Consumption (IVDDA/B) vs. Frequency (10-nF Load, VDD = 12 V or 25 V)
UCC21225A IQ_5_17.gif
Figure 8. Per Channel (IVDDA/B) Quiescent Supply Current vs Temperature (No Load, Input Low, No Switching)
UCC21225A RF_LOAD_NU.gif
A.
Figure 10. Rising and Falling Times vs. Load (VDD = 12 V)
UCC21225A PD_T_NU.gif
Figure 12. Propagation Delay vs. Temperature
UCC21225A PWD.gif
A.
Figure 14. Pulse Width Distortion vs. Temperature
UCC21225A TDM_TEMP_NU.gif
Figure 16. Propagation Delay Matching (tDM) vs. Temperature
UCC21225A D013_SLUSCO3.gif
Figure 18. VDD UVLO Threshold vs. Temperature
UCC21225A INDIS_LO_5_17.gif
Figure 20. IN/DIS Low Threshold
UCC21225A DT_TEMP_NU.gif
Figure 22. Dead Time vs. Temperature (with RDT = 20 kΩ and 100 kΩ)
UCC21225A 1nF_I_5_17.gif
Figure 5. Per Channel Current Consumption (IVDDA/B) vs. Frequency (1-nF Load, VDD = 12 V or 25 V)
UCC21225A IVDD_TEMP_5_17.gif
Figure 7. Per Channel (IVDDA/B) Supply Current Vs. Temperature (No Load, Different Switching Frequencies)
UCC21225A Iq_IVCCI.gif
A.
Figure 9. IVCCI Quiescent Supply Current vs Temperature (No Load, Input Low, No Switching)
UCC21225A OUTR_5_17.gif
Figure 11. Output Resistance vs. Temperature
UCC21225A PDVCC_NUNU.gif
Figure 13. Propagation Delay vs. VCCI
UCC21225A TDM_VDD_NU.gif
Figure 15. Propagation Delay Matching (tDM) vs. VDD
UCC21225A D017_SLUSCO3.gif
Figure 17. VDD UVLO Hysteresis vs. Temperature
UCC21225A D001_SLUSCV6.gif
Figure 19. IN/DIS Hysteresis vs. Temperature
UCC21225A INDIS_HI_5_17.gif
Figure 21. IN/DIS High Threshold
UCC21225A DTM_TEMP_NU.gif
Figure 23. Dead Time Matching vs. Temperature (with RDT = 20 kΩ and 100 kΩ)