SLUSFG5 November   2024 UCC33421-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Insulation Specifications
    6. 6.6 Safety-Related Certifications
    7. 6.7 Electrical Characteristics
    8. 6.8 External BOM Components
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Enable and Disable
      2. 7.3.2 Output Voltage Soft-Start
      3. 7.3.3 Output Voltage Steady-State Regulation
      4. 7.3.4 Protection Features
        1. 7.3.4.1 Input Under-voltage and Over-Voltage Lockout
        2. 7.3.4.2 Output Under-Voltage Protection
        3. 7.3.4.3 Output Over-Voltage Protection
        4. 7.3.4.4 Over-Temperature Protection
        5. 7.3.4.5 Fault Reporting and Auto-Restart
      5. 7.3.5 VCC Load Recommended Operating Area
      6. 7.3.6 Electromagnetic Compatibility (EMC) Considerations
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical and Packaging Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DHA|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
PIN MIN TYP MAX UNIT
VVINP Primary-side input voltage to GNDP 4.5 5.5 V
VEN/FLT EN/FLT pin voltage to GNDP 0 5.5 V
VVCC Secondary-side Isolated output voltage to GNDS 0 5.7 V
VSEL SEL pin input voltage to GNDS 0 5.7 V
PVCC VCC output power at VINP=5.0V±10%, VCC = 5.0V, TA=25°C - 85°C  (1) 1.5 W
PVCC VCC output power at VINP=5.0V±10%, VCC = 5.0V, TA=105°C (1) 1 W
PVCC VCC output power at VINP=5.0V±10%, VCC = 5.0V, TA=125°C (1) 0.4 W
Static CMTI Static Common mode transient immunity rating (dV/dt rate across the isolation barrier) 250 V/ns
Dynamic CMTI Dynamic Common mode transient immunity rating (dV/dt rate across the isolation barrier) 250 V/ns
TA Ambient temperature –40 125 ℃
TJ Junction temperature –40 150 ℃
(1) See the VCC Load Recommended Operating Area section for maximum rated values across temperature and VINP conditions for different VCC output voltage settings.