SLLSG02A February   2026  – March 2026 ISOW3080 , ISOW3086

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Supply Current Characteristics at VISOOUT = 3.3 V (ISOW308x)
    11. 6.11 Supply Current Characteristics at VISOOUT = 5 V (ISOW308xP)
    12. 6.12 Switching Characteristics at VISOOUT = 3.3 V (ISOW308x)
    13. 6.13 Switching Characteristics at VISOOUT = 5 V (ISOW308xP)
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Power Isolation
    3. 8.3 Signal Isolation
    4. 8.4 RS-485
    5. 8.5 Functional Block Diagram
    6. 8.6 Feature Description
      1. 8.6.1 Power-Up and Power-Down Behavior
      2. 8.6.2 Protection Features
      3. 8.6.3 Failsafe Receiver
      4. 8.6.4 Glitch-Free Power Up and Power Down
    7. 8.7 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Data Rate, Bus Length and Bus Loading
        2. 9.2.2.2 Stub Length
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1.     PACKAGE OPTION ADDENDUM
    2. 12.1 Tape and Reel Information

1 Features

  • Data rates
    • ISOW3080 and ISOW3080P : 500kbps
    • ISOW3086 and ISOW3086P : 12Mbps
  • Integrated best in class emissions DC-DC converter
    • Meets CISPR 32 Class B with margin on a two-layer PCB
  • High efficiency output power
    • Typical efficiency: 41.5%
    • VISOOUT accuracy: ±10%
  • Independent power supply for RS-485 and DC-DC
    • Logic supply (VDDL): 2.25V to 5.5V
    • Power converter supply ( VDD): 3V to 5.5V
  • RS485 compatibility on ISOW3080 and ISOW3086 with 3.3V VISOOUT.
  • PROFIBUS compatibility on ISOW3080P and ISOW3086P with 5V VISOOUT.

  • High-performance with integrated protection

    • Open, short, and idle bus failsafe
    • 1/8 unit load: up to 256 nodes on bus
    • Glitch-free power up and power down
  • Reinforced and Basic isolation options
  • High ESD bus protection
    • HBM: ±16kV
    • IEC 61000-4-2 contact discharge: ±8kV
  • Operating temperature range: -55°C to 125°C
  • Current limit and thermal shutdown
  • 16-pin wide SOIC package
  • Safety Related Certifications:
    • DIN EN IEC 60747-17 (VDE 0884-17)
    • UL 1577 component recognition program
    • IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications