SDAA444 October   2026 UCC23711

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
5. 2Opto-Input Isolated Protection Gate Driver for SiC and IGBT
6. 3Three Phase IGBT Inverter Design Guidelines for UCC23711
   1. 3.1 Overview
   2. 3.2 UCC23711 Input Current Resistor Configuration
   3. 3.3 UCC23711 Gate Drive Turn-on and Turn-off Peak Current
   4. 3.4 UCC23711 Active Miller Clamp
   5. 3.5 UCC23711 Supply Decoupling and Requirements
      1. 3.5.1 Input Side
      2. 3.5.2 Output Side
      3. 3.5.3 Output Supply Current
   6. 3.6 DESAT Circuit Configuration
   7. 3.7 UCC23711 Fault (FLT) Feedback
7. 4System Test Results
   1. 4.1 Three-Phase IGBT Inverter under Test
   2. 4.2 UCC23711 Input Current Thresholds and Hysteresis
   3. 4.3 UCC23711 Propagation Delay
   4. 4.4 Phase U Turn-On and Turn-Off Slew Rates
   5. 4.5 UCC23711 Miller Clamp and Unipolar 15V Supply
   6. 4.6 UCC23711 DESAT Response and Soft Shut Down
   7. 4.7 Increasing the DESAT Charge Current
   8. 4.8 UCC23711 VDD UVLO Thresholds and Gate Drive Output
   9. 4.9 UCC23711 Gate Drive Power Consumption
8. 5Summary
9. 6References

Design Guidelines for UCC23711 Isolated IGBT/SiC-FET Gate Driver with Opto-Compatible Input and DESAT