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

6.3 Recommended Operating Conditions

MIN NOM MAX UNIT
VDDL Logic supply voltage 2.5-V, 3.3-V, and 5-V operation 2.25 5.5 V
VDD Power converter supply voltage Power converter supply voltage (ISOW3080 and ISOW3086) 3 5.5 V
VDD Power converter supply voltage Power converter supply voltage (ISOW3080P and ISOW3086P) 4.5 5.5 V
VDD(UVLO+) Positive threshold when power converter supply is rising  2.65 2.86 V
VDD(UVLO-) Positive threshold when power converter supply is falling 2.44 2.56 V
VHYS1(UVLO) Power converter supply voltage hysteresis 78 mV
VDDL(UVLO+) Rising threshold of logic supply voltage 1.95 2.24 V
VDDL(UVLO-) Falling threshold of logic supply voltage 1.6 1.78 V
VHYS2(UVLO) Logic supply voltage hysteresis 100 mV
VBUS Input voltage at any bus terminal (separately with respect to GND2 or common mode) –7 12 V
VIH High-level input voltage (D, DE and RE inputs) 0.7 × VDDL VDDL V
VIL Low-level input voltage (D, DE and RE inputs) 0 0.3 × VDDL V
VID Differential input voltage (receiver terminals A with respect to B) –12 12 V
IO(DRV) Output current, driver (Y, Z)  –60 60 mA
IO Output current, R VDDL = 4.5 to 5.5 V –4 4 mA
VDDL = 3 to 3.6 V -2 2 mA
VDDL = 2.25 to 2.75 V -1 1 mA
RL Differential load resistance on bus 54 Ω
1/tUI Signaling rate ISOW3080 and ISOW3080P 500 kbps
1/tUI Signaling rate ISOW3086 and ISOW3086P 12 Mbps
tpwrup Power up time after applying input supply(Isolated output supply reaches 90% of setpoint and data transmission can start after this) 2.2 ms
TA Ambient operating temperature, no extra current available on VISOOUT (ISOW3080 and ISOW3086); VDD = 3V to 3.3V –55 125 °C
TA Ambient operating temperature, 20 mA extra current available on VISOOUT(1)(ISOW3080 and ISOW3086); VDD = 4.5V to 5.5V –55 105 °C
TA Ambient operating temperature, no extra current available on VISOOUT (ISOW3080P and ISOW3086P); VDD = 4.5V to 5.5V –55 105 °C
TA Ambient operating temperature, 20 mA extra current available on VISOOUT(1)(ISOW3080P and ISOW3086P); VDD = 4.5V to 5.5V –55 85 °C
(1) Extra current is only available at VDD=5 V ± 10% mode