ZHCSLW2C September   2021  – April 2022 ISOW7740 , ISOW7741 , ISOW7742 , ISOW7743 , ISOW7744

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（接续）
  6. 6 Pin Configuration and 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 - Power Converter
    10. 7.10 Supply Current Characteristics - Power Converter
    11. 7.11 Electrical Characteristics Channel Isolator - VIO, VISOIN = 5-V
    12. 7.12 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 5-V
    13. 7.13 Electrical Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
    14. 7.14 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
    15. 7.15 Electrical Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
    16. 7.16 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
    17. 7.17 Electrical Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
    18. 7.18 Supply Current Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
    19. 7.19 Switching Characteristics - 5-V Supply
    20. 7.20 Switching Characteristics - 3.3-V Supply
    21. 7.21 Switching Characteristics - 2.5-V Supply
    22. 7.22 Switching Characteristics - 1.8-V Supply
    23. 7.23 Insulation Characteristics Curves
    24. 7.24 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
      1. 9.1.1 Power Isolation
      2. 9.1.2 Signal Isolation
    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 Protection Features
    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
      4. 10.2.4 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 支持资源
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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7.9 Electrical Characteristics - Power Converter

VDD = 5 V ±10% or 3.3 V ±10% and VISOIN power externally, GND1 = GNDIO, GND2 = GISOIN (over recommended operating conditions, unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VDD = 5 V, VISOOUT = 5 V, VSEL = VISOOUT
VISOOUT Isolated supply voltage External IISOOUT = 0 to 55 mA  4.75 5 5.25 V
VISOOUT Isolated supply voltage External IISOOUT = 0 to 110 mA 4.5 5 5.25 V
VISOOUT(LINE) DC line regulation IISOOUT = 55 mA, VDD = 4.5 V to 5.5 V 2 mV/V
VISOOUT(LOAD) DC load regulation IISOOUT = 0 to 110 mA 1%
EFF Efficiency at maximum load current (3) IISOOUT = 110 mA, CLOAD = 0.01 µF || 10 µF;
VI = VDD (ISOW774x); VI =0 V (ISOW774x with F suffix). 		 46%
VISOOUT(RIP) Output ripple on isolated supply (pk-pk) 20-MHz bandwidth, CLOAD = 0.01 µF || 20 µF, IISOOUT = 110 mA 24 mV
IISOOUT_SC DC current from VDD supply under short circuit on VISOOUT VISOOUT shorted to GND2 250 mA
VDD = 5 V, VISOOUT = 3.3 V, VSEL = GND2
VISOOUT Isolated supply voltage External IISOOUT = 0 to 70 mA 3.135 3.3 3.465 V
VISOOUT Isolated supply voltage External IISOOUT = 0 to 140 mA 3.135 3.3 3.465 V
VISOOUT(LINE) DC line regulation IISOOUT = 70 mA, VDD = 4.5 V to 5.5 V 2 mV/V
VISOOUT(LOAD) DC load regulation IISOOUT = 0 to 140 mA 1%
EFF Efficiency at maximum load current (3) IISOOUT = 140 mA, CLOAD = 0.01 µF || 10 µF;
VI = VDD (ISOW774x); VI =0 V (ISOW774x with F suffix). 		 36%
VISOOUT(RIP) Output ripple on isolated supply (pk-pk) 20-MHz bandwidth , CLOAD = 0.01 µF || 20 µF, IISOOUT = 110 mA 30 mV
IISOOUT_SC DC current from VDD supply under short circuit on VISOOUT VISOOUT shorted to GND2 250 mA
VDD = 3.3 V, VISOOUT = 3.3 V, VSEL = GND2
VISOOUT Isolated supply voltage External IISOOUT = 0 to 30 mA 3.135 3.3 3.465 V
VISOOUT Isolated supply voltage External IISOOUT = 0 to 60 mA 3.135 3.3 3.465 V
VISOOUT(LINE) DC line regulation IISOOUT = 30 mA, VDD = 3.0 V to 3.6 V 2 mV/V
VISOOUT(LOAD) DC load regulation IISOOUT = 0 to 60 mA 1%
EFF Efficiency at maximum load current (3) IISOOUT = 60 mA, CLOAD = 0.01 µF || 10 µF;
VI = VDD (ISOW774x); VI =0 V (ISOW774x with F suffix).		 43%
VISOOUT(RIP) Output ripple on isolated supply (pk-pk) 20-MHz bandwidth, CLOAD = 0.01 µF || 20 µF, IISOOUT = 60 mA 14 mV
IISOOUT_SC DC current from  VDD supply under short circuit on VISOOUT VISOOUT shorted to GND2 185 mA
(1) Power converter ILOAD = current required to power the secondary side. ILOAD does not take into account the channel isolator current. See Supply Current Characteristics Channel Isolator section for details.
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