SLLSFP4A July   2022  – August 2026 ISOW7721

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and 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 - Power Converter
    10. 5.10 Supply Current Characteristics - Power Converter
    11. 5.11 Electrical Characteristics Channel Isolator - VIO, VISOIN = 5-V
    12. 5.12 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 5-V
    13. 5.13 Electrical Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
    14. 5.14 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
    15. 5.15 Electrical Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
    16. 5.16 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
    17. 5.17 Electrical Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
    18. 5.18 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
    19. 5.19 Switching Characteristics - 5-V Supply
    20. 5.20 Switching Characteristics - 3.3-V Supply
    21. 5.21 Switching Characteristics - 2.5-V Supply
    22. 5.22 Switching Characteristics - 1.8-V Supply
    23. 5.23 Insulation Characteristics Curves
    24. 5.24 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Power Isolation
      2. 7.1.2 Signal Isolation
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Electromagnetic Compatibility (EMC) Considerations
      2. 7.3.2 Power-Up and Power-Down Behavior
      3. 7.3.3 Protection Features
      4. 7.3.4 Multi-Device Chaining for Increased Power Output
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device I/O Schematics
  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. 8.2.3 Application Curve
        1. 8.2.3.1 Insulation Lifetime
    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 Revision History
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

6 Parameter Measurement Information

In the below images, VCCI and VCCO refers to the power supplies VIO and VISOIN, respectively.
ISOW7721 Switching Characteristics Test Circuit and Voltage Waveforms
A. CL = 15pF and The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50kHz, 50% duty cycle, tr ≤ 3ns, tf ≤ 3ns, ZO = 50Ω. At the input, 50Ω resistor is required to terminate Input Generator signal. The 50Ω resistor is not needed in actual application.
B. B. CL = 15pF and includes instrumentation and fixture capacitance within ±20%.
Figure 6-1 Switching Characteristics Test Circuit and Voltage Waveforms
ISOW7721 Enable/Disable Propagation Delay Time Test Circuit and Waveform
A. A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50kHz, 50% duty cycle, tr ≤ 3ns, tf ≤ 3ns, ZO = 50Ω. At the input, 50Ω resistor is required to terminate Input Generator signal. The 50Ω resistor is not needed in actual application.
B. B. CL = 15pF and includes instrumentation and fixture capacitance within ±20%.
Figure 6-2 Enable/Disable Propagation Delay Time Test Circuit and Waveform
ISOW7721 Default Output Delay Time Test Circuit and Voltage Waveforms
Note: A. CL = 15pF and includes instrumentation and fixture capacitance within ±20%.
Note: B. Power Supply Ramp Rate = 10mV/ns.
Figure 6-3 Default Output Delay Time Test Circuit and Voltage Waveforms
ISOW7721 Common-Mode Transient Immunity Test Circuit
Note: CL = 15pF and includes instrumentation and fixture capacitance within ±20%.
Note: Pass-fail criteria: Outputs must remain stable.
Figure 6-4 Common-Mode Transient Immunity Test Circuit