SLUSCJ9F June   2016  – November 2024 UCC21520

PRODUCTION DATA  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Description (continued)
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  Power Ratings
   6. 6.6  Insulation Specifications
   7. 6.7  Safety Limiting Values
   8. 6.8  Electrical Characteristics
   9. 6.9  Timing Requirements
   10. 6.10 Switching Characteristics
   11. 6.11 Insulation Characteristics Curves
   12. 6.12 Typical Characteristics
8. 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
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 Undervoltage 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 UCC21520 and the UCC21520A
   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 Connected to 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 External Bootstrap Diode and its Series Resistor
          3. 9.2.2.3 Gate Driver Output Resistor
          4. 9.2.2.4 Gate to Source Resistor Selection
          5. 9.2.2.5 Estimate Gate Driver Power Loss
          6. 9.2.2.6 Estimating Junction Temperature
          7. 9.2.2.7 Selecting VCCI, VDDA/B Capacitor
             1. 9.2.2.7.1 Selecting a VCCI Capacitor
             2. 9.2.2.7.2 Selecting a VDDA (Bootstrap) Capacitor
             3. 9.2.2.7.3 Select a VDDB Capacitor
          8. 9.2.2.8 Dead Time Setting Guidelines
          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
    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 Certifications
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Support Resources
    6. 12.6 Trademarks
    7. 12.7 Electrostatic Discharge Caution
    8. 12.8 Glossary
14. 13Revision History
15. 14Mechanical, Packaging, and Orderable Information

UCC21520, UCC21520A 4A, 6A, 5.7kV_RMS Isolated Dual-Channel Gate Drivers