SLUSD78C February   2019  – January 2023 UCC21750

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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  Safety-Related Certifications
    10. 6.10 Switching Characteristics
    11. 6.11 Insulation Characteristics Curves
    12. 6.12 Typical Characteristics
  7. Parameter Measurement Information
    1. 7.1 Propagation Delay
      1. 7.1.1 Regular Turn-OFF
    2. 7.2 Input Deglitch Filter
    3. 7.3 Active Miller Clamp
      1. 7.3.1 Internal On-chip Active Miller Clamp
    4. 7.4 Undervoltage Lockout (UVLO)
      1. 7.4.1 VCC UVLO
      2. 7.4.2 VDD UVLO
    5. 7.5 Desaturation (DESAT) Protection
      1. 7.5.1 DESAT Protection with Soft Turn-OFF
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Power Supply
      2. 8.3.2  Driver Stage
      3. 8.3.3  VCC and VDD Undervoltage Lockout (UVLO)
      4. 8.3.4  Active Pulldown
      5. 8.3.5  Short Circuit Clamping
      6. 8.3.6  Internal Active Miller Clamp
      7. 8.3.7  Desaturation (DESAT) Protection
      8. 8.3.8  Soft Turn-Off
      9. 8.3.9  Fault (FLT, Reset, and Enable (RST/EN)
      10. 8.3.10 Isolated Analog to PWM Signal Function
    4. 8.4 Device Functional Modes
  9. Applications 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 Input Filters for IN+, IN–, and RST/EN
        2. 9.2.2.2 PWM Interlock of IN+ and IN–
        3. 9.2.2.3 FLT, RDY, and RST/EN Pin Circuitry
        4. 9.2.2.4 RST/EN Pin Control
        5. 9.2.2.5 Turn-On and Turn-Off Gate Resistors
        6. 9.2.2.6 Overcurrent and Short Circuit Protection
        7. 9.2.2.7 Isolated Analog Signal Sensing
          1. 9.2.2.7.1 Isolated Temperature Sensing
          2. 9.2.2.7.2 Isolated DC Bus Voltage Sensing
        8. 9.2.2.8 Higher Output Current Using an External Current Buffer
      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 Device Support
      1. 12.1.1 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
  13. 13Mechanical, Packaging, and Orderable Information

Typical Characteristics

GUID-1BCE4C2A-7747-49EB-9447-3C79573DA018-low.gifFigure 6-4 Output High Drive Current vs Temperature
GUID-2E6D5439-45F2-4ECE-BE1C-52E2C3CF9322-low.gif
IN+ = High IN- = Low
Figure 6-6 IVCCQ Supply Current vs Temperature
GUID-333290B9-EE1E-44DE-ABBA-73B075A9F9E6-low.gif
Figure 6-8 IVCCQ Supply Current vs Input Frequency
GUID-EC0E7514-5827-411A-8591-B7E91F8977FE-low.gif
IN+ = Low IN- = Low
Figure 6-10 IVDDQ Supply Current vs Temperature
GUID-3BD8AE75-1A00-450F-A960-AE53698109C1-low.gifFigure 6-12 VCC UVLO vs Temperature
GUID-00391B9D-C737-4946-BC33-187D1833DE7E-low.gif
VCC = 3.3V VDD=18V CL = 100pF
RON = 0Ω ROFF = 0Ω
Figure 6-14 Propagation Delay tPDLH vs Temperature
GUID-98D4A4A5-0FDF-4F4F-ADAA-26A64ADAA4D3-low.gif
VCC = 3.3V VDD=18V CL = 10nF
RON = 0Ω ROFF = 0Ω
Figure 6-16 tr Rise Time vs Temperature
GUID-7509E429-54DE-4C4C-B340-6AA2F32CE4AE-low.gifFigure 6-18 VOUTPD Output Active Pulldown Voltage vs Temperature
GUID-BBA3A463-D4AE-4275-85A2-02434F5E9831-low.gifFigure 6-20 VCLP-OUT(L) Short Circuit Clamping Voltage vs Temperature
GUID-418A4AB3-90DF-4E06-A7F6-5799A9133499-low.gifFigure 6-22 ICLMPI Miller Clamp Sink Current vs Temperature
GUID-6AE48E56-D0FD-40FE-9A29-8A1A524A4D62-low.gifFigure 6-24 VDESAT DESAT Threshold Voltage vs Temperature
GUID-5E1B32B7-53EF-44FE-B10E-1AAFB15172E4-low.gifFigure 6-26 tDESATOFF DESAT Propagation Delay to OUT(L) 90% vs Temperature
GUID-8E097573-9D41-4167-B904-B280F51794C7-low.gifFigure 6-28 tDESATFIL DESAT Deglitch Filter vs Temperature
GUID-8DF9AB4D-11DA-4773-AA58-81A73E8E3530-low.gifFigure 6-30 IDCHG DESAT Discharge Current vs Temperature
GUID-AB1149FA-EE46-4723-9F51-FA0C5633F2A1-low.gifFigure 6-5 Output Low Driver Current vs Temperature
GUID-A0ECA212-1E0C-43C6-B852-B1A28FF2B112-low.gif
IN+ = Low IN- = Low
Figure 6-7 IVCCQ Supply Current vs Temperature
GUID-E6750F74-E7C7-4B4C-A9BC-0EB8768A2387-low.gif
IN+ = High IN- = Low
Figure 6-9 IVDDQ Supply Current vs Temperature
GUID-C26D0836-9A08-495A-BB9C-F1E4F7875C3B-low.gif
Figure 6-11 IVDDQ Supply Current vs Input Frequency
GUID-CD94842D-28C7-4363-941A-3D2B1FC3D032-low.gifFigure 6-13 VDD UVLO vs Temperature
GUID-C9CB7CCB-857D-4795-A58D-3D96949D91D1-low.gif
VCC = 3.3V VDD=18V CL = 100pF
RON = 0Ω ROFF = 0Ω
Figure 6-15 Propagation Delay tPDHL vs Temperature
GUID-E5FB64D1-6FDB-4202-8671-88AAA9B209B6-low.gif
VCC = 3.3V VDD=18V CL = 10nF
RON = 0Ω ROFF = 0Ω
Figure 6-17 tf Fall Time vs Temperature
GUID-DB4ECE91-B8DB-4A23-98AF-8FA9FAC4AB11-low.gifFigure 6-19 VCLP-OUT(H) Short Circuit Clamping Voltage vs Temperature
GUID-A30B57BD-C468-4A47-96FB-5733B9506AC2-low.gifFigure 6-21 VCLMPTH Miller Clamp Threshold Voltage vs Temperature
GUID-3A393CFB-C510-4D96-A4D0-458262A5F236-low.gifFigure 6-23 tDCLMPI Miller Clamp ON Delay Time vs Temperature
GUID-0BEF804D-A384-48D9-BAC5-EBFD939BFE5F-low.gifFigure 6-25 tDESATLEB DESAT Leading Edge Blanking Time vs Temperature
GUID-4784552E-1781-4151-A5E4-B583328D30A5-low.gifFigure 6-27 tDESATFLT DESAT Sense to /FLT Low Delay Time vs Temperature
GUID-83C5B4B2-6A43-4DFE-9EDE-7C10F2D2D265-low.gifFigure 6-29 ICHG DESAT Charging Current vs Temperature