STMicroelectronics Advanced IGBT/MOSFET driver DEMOTD350 User Manuals

Table of Contents

• Table 1. Device summary

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• 1 Block diagram

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  • Figure 1. Schematic block diagram

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• 2 Pin connections

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  • Figure 2. Pin connections (top view)

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  • Table 2. Pin description

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• 3 Absolute maximum ratings

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  • Table 3. Key parameters and their absolute maximum ratings

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  • Table 4. Operating conditions

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• 4 Electrical characteristics

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  • Table 5. Electrical characteristics

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• 5 Functional description

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  • 5.1 Input

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  • 5.2 Voltage reference

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  • 5.3 Desaturation protection

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  • 5.4 Active Miller clamp

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  • 5.5 Two level turn-off

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  • 5.6 Minimum ON time

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  • 5.7 Output

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  • 5.8 Fault status output

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  • 5.9 Undervoltage protection

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    • Figure 3. Undervoltage protection

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    • Figure 4. Detailed internal schematic

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• 6 Timing diagrams

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  • Figure 5. Turn-on and turn-off

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  • Figure 6. Minimum ON time

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  • Figure 7. Desaturation fault

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• 7 Typical performance curves

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  • Figure 8. Supply current vs temperature

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  • Figure 9. Low level output voltage vs temp.

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  • Figure 10. Desaturation threshold vs temp.

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  • Figure 11. Voltage reference vs temp.

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  • Figure 12. High level output voltage vs temp.

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  • Figure 13. Desaturation source current vs temp.

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• 8 Application diagrams

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  • Figure 14. Single supply IGBT drive with active Miller clamp and 2-level turn-off

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  • Figure 15. Large IGBT drive with negative gate drive and desaturation detection

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  • Figure 16. Use of DESAT input for direct overcurrent detection

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• 9 Package mechanical data

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  • Table 6. SO-14 mechanical data

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  • Figure 17. Package dimensions

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• 10 Revision history

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  • Table 7. Document revision history

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