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

Package Options

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

5.24 Typical Characteristics

ISOW7721 Isolated Supply Voltage (VISOOUT) vs Load Current (IISOOUT)
VSEL = GND2 TA = 25°C VISOOUT = 3.3V
Figure 5-3 Isolated Supply Voltage (VISOOUT) vs Load Current (IISOOUT)
ISOW7721 Supply Current (IDD) vs Load Current (IISOOUT)
TA = 25°C
Figure 5-5 Supply Current (IDD) vs Load Current (IISOOUT)
ISOW7721 Power Dissipation vs Load Current (IISOOUT)
TA = 25°C
Figure 5-7 Power Dissipation vs Load Current (IISOOUT)
ISOW7721 5V Isolated Supply Voltage (VISOOUT) vs Free-Air Temperature
VSEL = VISOOUT VDD = 5V No VISOOUT Load
Figure 5-9 5V Isolated Supply Voltage (VISOOUT) vs Free-Air Temperature
ISOW7721 ISOW7721 Channel Supply Currents vs Data Rate For CL = 15pF
CL = 0pF TA = 25°C
Figure 5-11 ISOW7721 Channel Supply Currents vs Data Rate For CL = 15pF
ISOW7721 Power-Supply Undervoltage Threshold vs Free Air Temperature
CL = 0pF TA = 25°C
Figure 5-13 Power-Supply Undervoltage Threshold vs Free Air Temperature
ISOW7721 High-Level Output Voltage vs High-Level Output CurrentFigure 5-15 High-Level Output Voltage vs High-Level Output Current
ISOW7721 10mA to 110mA Load Transient Response
VDD = 5V VISOOUT = 3.3V TA = 25°C
Figure 5-17 10mA to 110mA Load Transient Response
ISOW7721 Soft Start at 50mA Load For VISOOUT = 3.3V
VDD = 5V VISOOUT = 3.3V 10µF Capacitor on VISOOUT
Figure 5-19 Soft Start at 50mA Load For VISOOUT = 3.3V
ISOW7721 Soft Start at 10mA Load For VISOOUT = 5V
VDD = 5V VISOOUT = 5V 10µF Capacitor on VISOOUT
Figure 5-21 Soft Start at 10mA Load For VISOOUT = 5V
ISOW7721 Soft Start at 110mA Load For VISOOUT = 5V
VDD = 5V VISOOUT = 5V 10µF Capacitor on VISOOUT
Figure 5-23 Soft Start at 110mA Load For VISOOUT = 5V
ISOW7721 VISOOUT Ripple Voltage at 5V with 10µF Capacitor and 110mA load
VDD = 5V VISOOUT = 5V 10µF Capacitor on VISOOUT
Figure 5-25 VISOOUT Ripple Voltage at 5V with 10µF Capacitor and 110mA load
ISOW7721 VISOOUT Ripple Voltage at 5V with 100µF Capacitor and 110mA load
VDD = 5V VISOOUT = 5V 100µF Capacitor on VISOOUT
Figure 5-27 VISOOUT Ripple Voltage at 5V with 100µF Capacitor and 110mA load
ISOW7721 Isolated Supply Voltage (VISOOUT) vs Load Current (IISOOUT)
VSEL = VISOOUT TA = 25°C VISOOUT = 5V
Figure 5-4 Isolated Supply Voltage (VISOOUT) vs Load Current (IISOOUT)
ISOW7721 Efficiency vs Load Current (IVISOOUT)
TA = 25°C
Figure 5-6 Efficiency vs Load Current (IVISOOUT)
ISOW7721 3.3V Isolated Supply Voltage (VISOOUT) vs Free-Air Temperature
VSEL = GND2 VDD = 5V No VISOOUT Load
Figure 5-8 3.3V Isolated Supply Voltage (VISOOUT) vs Free-Air Temperature
ISOW7721 Short-Circuit Supply Current (ICC) vs Supply Voltage (VCC)
VSEL = VISOOUT VISOOUT = GND2 TA = 25°C = GND1
Figure 5-10 Short-Circuit Supply Current (ICC) vs Supply Voltage (VCC)
ISOW7721 ISOW7721 Channel Supply Currents vs Data Rate For CL = 0pF
CL = 15pF TA = 25°C
Figure 5-12 ISOW7721 Channel Supply Currents vs Data Rate For CL = 0pF
ISOW7721 Propagation Delay Time vs Free-Air Temperature
Figure 5-14 Propagation Delay Time vs Free-Air Temperature
ISOW7721 Low-Level Output Voltage vs Low-Level Output CurrentFigure 5-16 Low-Level Output Voltage vs Low-Level Output Current
ISOW7721 Soft Start at 10mA Load For VISOOUT = 3.3V
VDD = 5V VISOOUT = 3.3V 10µF Capacitor on VISOOUT
Figure 5-18 Soft Start at 10mA Load For VISOOUT = 3.3V
ISOW7721 Soft Start at 110mA Load For VISOOUT = 3.3V
VDD = 5V VISOOUT = 3.3V 10µF Capacitor on VISOOUT
Figure 5-20 Soft Start at 110mA Load For VISOOUT = 3.3V
ISOW7721 Soft Start at 50mA Load For VISOOUT = 5V
VDD = 5V VISOOUT = 5V 10µF Capacitor on VISOOUT
Figure 5-22 Soft Start at 50mA Load For VISOOUT = 5V
ISOW7721 VISOOUT Ripple Voltage at 3.3V with 10µF Capacitor and 60mA load
VDD = 3.3V VISOOUT = 3.3V 10µF Capacitor on VISOOUT
Figure 5-24 VISOOUT Ripple Voltage at 3.3V with 10µF Capacitor and 60mA load
ISOW7721 VISOOUT Ripple Voltage at 3.3V with 100µF Capacitor and 60mA load
VDD = 3.3V VISOOUT = 3.3V 100µF Capacitor on VISOOUT
Figure 5-26 VISOOUT Ripple Voltage at 3.3V with 100µF Capacitor and 60mA load
ISOW7721 VISOOUT Ripple Voltage vs Load Capacitor
TA = 25°C
Figure 5-28 VISOOUT Ripple Voltage vs Load Capacitor