SLLSFW9B April   2024  – January 2025 ISO7741TA-Q1 , ISO7741TB-Q1 , ISO7742TA-Q1 , ISO7742TB-Q1

PRODUCTION DATA  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Pin Configuration and Functions
   1.     Pin Functions
6. 5 Specifications
   1. 5.1  Absolute Maximum Ratings
   2. 5.2  ESD Ratings
   3. 5.3  Recommended Operating Conditions
   4. 5.4  Thermal Information
   5. 5.5  Power Ratings
   6. 5.6  Insulation Specifications
   7. 5.7  Safety-Related Certifications
   8. 5.8  Safety Limiting Values
   9. 5.9  Electrical Characteristics Transformer
   10. 5.10 Electrical Characteristics—5V Supply
   11. 5.11 Supply Current Characteristics—5V Supply
   12. 5.12 Electrical Characteristics—3.3V Supply
   13. 5.13 Supply Current Characteristics—3.3V Supply
   14. 5.14 Electrical Characteristics—2.5V Supply 
   15. 5.15 Supply Current Characteristics—2.5V Supply
   16. 5.16 Switching Characteristics—5V Supply
   17. 5.17 Switching Characteristics—3.3V Supply
   18. 5.18 Switching Characteristics—2.5V Supply
   19. 5.19 Insulation Characteristics Curves
   20. 5.20 Typical Characteristics
7. 6 Parameter Measurement Information
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1 Electromagnetic Compatibility (EMC) Considerations
      2. 7.3.2 Push-Pull Converter
      3. 7.3.3 Core Magnetization
   4. 7.4 Device Functional Modes
      1. 7.4.1 Device I/O Schematics
      2. 7.4.2 Start-Up Mode
      3. 7.4.3 Operating Mode
      4. 7.4.4 Spread Spectrum Clocking
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
         1. 8.2.2.1 Drive Capability
         2. 8.2.2.2 LDO Selection
         3. 8.2.2.3 Diode Selection
         4. 8.2.2.4 Capacitor Selection
         5. 8.2.2.5 Transformer Selection
            1. 8.2.2.5.1 V-t Product Calculation
            2. 8.2.2.5.2 Turns Ratio Estimate
            3. 8.2.2.5.3 Recommended Transformers
      3. 8.2.3 Application Curve
         1. 8.2.3.1 Insulation Lifetime
      4. 8.2.4 System Examples
         1. 8.2.4.1 Higher Output Voltage Designs
   3. 8.3 Power Supply Recommendations
   4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
         1. 8.4.1.1 PCB Material
      2. 8.4.2 Layout Example
10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
       1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
11. 10Revision History
12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Tape and Reel Information