SLLSEY2G March   2017  – August 2021 ISOW7840 , ISOW7841 , ISOW7842 , ISOW7843 , ISOW7844

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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—3.3-V Input, 5-V Output
    12. 7.12 Supply Current Characteristics—3.3-V Input, 5-V Output
    13. 7.13 Electrical Characteristics—5-V Input, 3.3-V Output
    14. 7.14 Supply Current Characteristics—5-V Input, 3.3-V Output
    15. 7.15 Electrical Characteristics—3.3-V Input, 3.3-V Output
    16. 7.16 Supply Current Characteristics—3.3-V Input, 3.3-V Output
    17. 7.17 Switching Characteristics—5-V Input, 5-V Output
    18. 7.18 Switching Characteristics—3.3-V Input, 5-V Output
    19. 7.19 Switching Characteristics—5-V Input, 3.3-V Output
    20. 7.20 Switching Characteristics—3.3-V Input, 3.3-V Output
    21. 7.21 Insulation Characteristics Curves
    22. 7.22 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 Related Links
    4. 13.4 Receiving Notification of Documentation Updates
    5. 13.5 Support Resources
    6. 13.6 Trademarks
    7. 13.7 Electrostatic Discharge Caution
    8. 13.8 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

7.22 Typical Characteristics

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VISO = 3.3 VTA = 25°C
Figure 7-3 Isolated Supply Voltage (VISO) vs Load Current (IISO)
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TA = 25°C
Figure 7-5 ISOW7841 Supply Current (ICC) vs Load Current (IISO)
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TA = 25°C
Figure 7-7 ISOW7841 Power Dissipation vs Load Current (IISO)
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No IISO loadVCC = 5 VVISO = 5 V
Figure 7-9 5-V Isolated Supply Voltage (VISO) vs Free-Air Temperature
GUID-94B8F9D4-02A1-4D4B-B742-0E1453D1844C-low.gif
CL = 15 pFTA = 25°CNo IISO load
Figure 7-11 ISOW7840 Supply Current vs Data Rate
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CL = 15 pF TA = 25°C No IISO load
Figure 7-13 ISOW7841 Supply Current vs Data Rate
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CL = 15 pFTA = 25°CNo IISO load
Figure 7-15 ISOW7842 Supply Current vs Data Rate
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CL = 15 pFTA = 25°CNo IISO load
Figure 7-17 ISOW7843 Supply Current vs Data Rate
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CL = 15 pFTA = 25°CNo IISO load
Figure 7-19 ISOW7844 Supply Current vs Data Rate
GUID-E08E5E98-2A25-4D2D-AC63-389F19FA7945-low.gifFigure 7-21 Power-Supply Undervoltage Threshold vs Free Air Temperature
GUID-9BD0B9B3-A384-4D49-AE33-CB0B63FB2FA0-low.gif
TA = 25°C
Figure 7-23 High-Level Output Voltage vs High-Level Output Current
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VCC = 5 VVISO = 3.3 V
Negligible undershoot and overshoot because of load transient
Figure 7-25 10-mA to 110-mA Load Transient Response
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VCC = 5 VVISO = 3.3 V
Input current spike is because of charging the input supply decoupling capacitor
Figure 7-27 Soft Start at 120-mA Load
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VCC = 5 VVISO = 5 V
Input current spike is because of charging the input supply decoupling capacitor
Figure 7-29 Soft Start at 130-mA Load
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VCC = 5 VVISO = 3.3 V
Figure 7-31 VISO Ripple Voltage at 130 mA
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VISO = 5 VTA = 25°C
Figure 7-4 Isolated Supply Voltage (VISO) vs Load Current (IISO)
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TA = 25°C
Figure 7-6 ISOW7841 Efficiency vs Load Current (IISO)
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No IISO loadVCC = 5 VVISO = 3.3 V
Figure 7-8 3.3-V Isolated Supply Voltage (VISO) vs Free-Air Temperature
GUID-ECA0C149-12BF-4F67-AEE8-C316BDBAAA2B-low.gif
VISO shorted to GND2 TA = 25°C
Figure 7-10 Short-Circuit Supply Current (ICC) and Power (P) vs Supply Voltage (VCC)
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CL = no loadTA = 25°CNo IISO load
Figure 7-12 ISOW7840 Supply Current vs Data Rate
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CL = no load TA = 25°C No IISO load
Figure 7-14 ISOW7841 Supply Current vs Data Rate
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CL = no loadTA = 25°CNo IISO load
Figure 7-16 ISOW7842 Supply Current vs Data Rate
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CL = no loadTA = 25°CNo IISO load
Figure 7-18 ISOW7843 Supply Current vs Data Rate
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CL = no loadTA = 25°CNo IISO load
Figure 7-20 ISOW7844 Supply Current vs Data Rate
GUID-5D02FC56-B762-46E5-9926-4553A65C02CB-low.gifFigure 7-22 Propagation Delay Time vs Free-Air Temperature
GUID-070A60E3-E62B-4A2E-BB42-95D5411870A2-low.gif
TA = 25°C
Figure 7-24 Low-Level Output Voltage vs Low-Level Output Current
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VCC = 5 VVISO = 3.3 V
Current spike is because of charging the input supply capacitor
Figure 7-26 Soft Start at 10-mA Load
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VCC = 5 VVISO = 5 V
Input current spike is because of charging the input supply decoupling capacitor
Figure 7-28 Soft Start at 10-mA Load
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VCC = 5 VVISO = 5 V
Figure 7-30 VISO Ripple Voltage at 130 mA