SLLSF40B November   2017  – September 2019 ISOW7821

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Simplified Schematic
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Power Ratings
    6. 7.6  Insulation Specifications
    7. 7.7  Safety-Related Certifications
    8. 7.8  Safety Limiting Values
    9. 7.9  Electrical Characteristics—5-V Input, 5-V Output
    10. 7.10 Supply Current Characteristics—5-V Input, 5-V Output
    11. 7.11 Electrical Characteristics—5-V Input, 3.3-V Output
    12. 7.12 Supply Current Characteristics—5-V Input, 3.3-V Output
    13. 7.13 Electrical Characteristics—3.3-V Input, 3.3-V Output
    14. 7.14 Supply Current Characteristics—3.3-V Input, 3.3-V Output
    15. 7.15 Switching Characteristics—5-V Input, 5-V Output
    16. 7.16 Switching Characteristics—5-V Input, 3.3-V Output
    17. 7.17 Switching Characteristics—3.3-V Input, 3.3-V Output
    18. 7.18 Insulation Characteristics Curves
    19. 7.19 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Electromagnetic Compatibility (EMC) Considerations
      2. 9.3.2 Power-Up and Power-Down Behavior
      3. 9.3.3 Current Limit, Thermal Overload Protection
    4. 9.4 Device Functional Modes
      1. 9.4.1 Device I/O Schematics
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
        1. 10.2.3.1 Insulation Lifetime
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 PCB Material
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Development Support
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Community Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

7.10 Supply Current Characteristics—5-V Input, 5-V Output

VCC = 5 V ±10%, SEL shorted to VISO (over recommended operating conditions, unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ICC Current drawn from supply No external ILOAD; VI = 0 V (ISOW7821);
VI = VSI(1)(ISOW7821 with F suffix)		 21 mA
No external ILOAD; VI = VSI (ISOW7821);
VI = 0V (ISOW7821 with F suffix)		 17
All channels switching with square wave clock input of 1 Mbps; CL = 15 pF, No external ILOAD 19
All channels switching with square wave clock input of 10 Mbps; CL = 15 pF, No external ILOAD 20
All channels switching with square wave clock input of 100 Mbps; CL = 15 pF, No external ILOAD 33
IISO(OUT)(2) Current available on isolated supply VI = 0 V (ISOW7821); VI = VSI (ISOW7821 with F suffix) 127 mA
VI = VSI (ISOW7821); VI = 0V (ISOW7821 with F suffix) 130
All channels switching with square wave clock input of 1 Mbps; CL = 15 pF 128
All channels switching with square wave clock input of 10 Mbps; CL = 15 pF 128
All channels switching with square wave clock input of 100 Mbps; CL = 15 pF 125
(1) VSI= input side supply; VSO= output side supply
(2) Current available to load should be derated by 2 mA/°C for TA > 80°C.