SLLSFW9 April   2024 ISO7741TA-Q1

ADVANCE INFORMATION  

  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—5-V Supply
    11. 5.11 Supply Current Characteristics—5-V Supply
    12. 5.12 Electrical Characteristics—3.3-V Supply
    13. 5.13 Supply Current Characteristics—3.3-V Supply
    14. 5.14 Electrical Characteristics—2.5-V Supply 
    15. 5.15 Supply Current Characteristics—2.5-V Supply
    16. 5.16 Switching Characteristics—5-V Supply
    17. 5.17 Switching Characteristics—3.3-V Supply
    18. 5.18 Switching Characteristics—2.5-V Supply
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Electromagnetic Compatibility (EMC) Considerations
      2. 6.3.2 Push-Pull Converter
      3. 6.3.3 Core Magnetization
    4. 6.4 Device Functional Modes
      1. 6.4.1 Device I/O Schematics
      2. 6.4.2 Start-Up Mode
      3. 6.4.3 Operating Mode
      4. 6.4.4 Spread Spectrum Clocking
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Drive Capability
        2. 7.2.2.2 LDO Selection
        3. 7.2.2.3 Diode Selection
        4. 7.2.2.4 Capacitor Selection
        5. 7.2.2.5 Transformer Selection
          1. 7.2.2.5.1 V-t Product Calculation
          2. 7.2.2.5.2 Turns Ratio Estimate
          3. 7.2.2.5.3 Recommended Transformers
      3. 7.2.3 Application Curve
        1. 7.2.3.1 Insulation Lifetime
      4. 7.2.4 System Examples
        1. 7.2.4.1 Higher Output Voltage Designs
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

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

7.2.1 Design Requirements

To design with these devices, use the parameters listed in Design Parameters.

Table 7-2 Design Parameters
PARAMETERVALUE
Supply voltage, VCC12.25V to 5.5V
Decoupling capacitor between VCC1 and GND10.1µF +1µF to 10µF
Decoupling capacitor from VCC2 and GND20.1µF +1µF to 10µF