SLLSFK3
november 2022
ISOW7741-Q1
,
ISOW7742-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Power Ratings
7.6
Insulation Specifications
7.7
Safety-Related Certifications
7.8
Safety Limiting Values
7.9
Electrical Characteristics - Power Converter
7.10
Supply Current Characteristics - Power Converter
7.11
Electrical Characteristics Channel Isolator - VIO, VISOIN = 5-V
7.12
Supply Current Characteristics Channel Isolator - VIO, VISOIN = 5-V
7.13
Electrical Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
7.14
Supply Current Characteristics Channel Isolator - VIO, VISOIN = 3.3-V
7.15
Electrical Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
7.16
Supply Current Characteristics Channel Isolator - VIO, VISOIN = 2.5-V
7.17
Electrical Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
7.18
Supply Current Characteristics Channel Isolator - VIO, VISOIN = 1.8-V
7.19
Switching Characteristics - 5-V Supply
7.20
Switching Characteristics - 3.3-V Supply
7.21
Switching Characteristics - 2.5-V Supply
7.22
Switching Characteristics - 1.8-V Supply
7.23
Insulation Characteristics Curves
7.24
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.1.1
Power Isolation
9.1.2
Signal Isolation
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Electromagnetic Compatibility (EMC) Considerations
9.3.2
Power-Up and Power-Down Behavior
9.3.3
Protection Features
9.4
Device Functional Modes
9.4.1
Device I/O Schematics
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
10.2.4
Insulation Lifetime
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
PCB Material
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Receiving Notification of Documentation Updates
13.4
Support Resources
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DFM|20
MCSS009
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sllsfk3_oa
sllsfk3_pm
1
Features
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature Grade 1: –40°C to +125°C ambient temperature range
100 Mbps data rate
Integrated DC-DC converter with low-emissions, low-noise
Emission optimized
to meet CISPR25
Low frequency power converter at 25 MHz enabling low noise performance
Low output ripple: 24 mV
High efficiency output power
Efficiency at max load: 46%
Up to 0.55-W output power
V
ISOOUT
accuracy of 5%
5 V to 5 V: Max available load current = 110 mA
5 V to 3.3 V: Max available load current = 140 mA
3.3 V to 3.3 V: Max available load current = 60 mA
Independent power supply for channel isolator & power converter
Logic supply (V
IO
): 1.71-V to 5.5-V
Power converter supply (V
DD
): 3-V to 5.5-V
Robust electromagnetic compatibility (EMC)
System-level ESD, EFT, and surge immunity
±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
Reinforced and Basic isolation options
High CMTI: 100-kV/µs (typical)
Safety Related Certifications:
VDE reinforced and basic insulation per 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
ISOW774xB devices are planned
Extended temperature range: –40°C to +125°C
20-pin wide body SOIC package