SLLSFW9
April 2024
ISO7741TA-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Power Ratings
5.6
Insulation Specifications
5.7
Safety-Related Certifications
5.8
Safety Limiting Values
5.9
Electrical Characteristics Transformer
5.10
Electrical Characteristics—5-V Supply
5.11
Supply Current Characteristics—5-V Supply
5.12
Electrical Characteristics—3.3-V Supply
5.13
Supply Current Characteristics—3.3-V Supply
5.14
Electrical Characteristics—2.5-V Supply
5.15
Supply Current Characteristics—2.5-V Supply
5.16
Switching Characteristics—5-V Supply
5.17
Switching Characteristics—3.3-V Supply
5.18
Switching Characteristics—2.5-V Supply
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Electromagnetic Compatibility (EMC) Considerations
6.3.2
Push-Pull Converter
6.3.3
Core Magnetization
6.4
Device Functional Modes
6.4.1
Device I/O Schematics
6.4.2
Start-Up Mode
6.4.3
Operating Mode
6.4.4
Spread Spectrum Clocking
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Drive Capability
7.2.2.2
LDO Selection
7.2.2.3
Diode Selection
7.2.2.4
Capacitor Selection
7.2.2.5
Transformer Selection
7.2.2.5.1
V-t Product Calculation
7.2.2.5.2
Turns Ratio Estimate
7.2.2.5.3
Recommended Transformers
7.2.3
Application Curve
7.2.3.1
Insulation Lifetime
7.2.4
System Examples
7.2.4.1
Higher Output Voltage Designs
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DW|16
散热焊盘机械数据 (封装 | 引脚)
订购信息
sllsfw9_oa
1
Features
Qualified for automotive applications AEC-Q100 qualified with the following results:
Device temperature Grade 1: –40°C to 125°C ambient operating temperature
Functional Safety-Capable
100Mbps data rate
Robust isolation barrier:
>30-year projected lifetime at 1500V
RMS
working voltage
5000V
RMS
rating
Up to 12.8kV surge capability
±100kV/μs typical CMTI for digital isolator
Wide supply range: 2.25V to 5.5V
2.25V to 5.5V level translation
Default output
high
(
ISO7741T
) and
low
(
ISO7741FT
) options
Low power consumption, typical 1.5mA per channel at 1Mbps
Low propagation delay: 10.7ns typical
(5V Supplies)
Robust electromagnetic compatibility (EMC)
System-level ESD, EFT, and surge immunity
±8kV IEC 61000-4-2 contact discharge protection across isolation barrier
Safety-related certifications (Pending):
DIN EN IEC 60747-17 (VDE 0884-17)
UL 1577 component recognition program
IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications
Push-pull driver for transformers
High output drive: 0.7A at 5V supply
Low R
ON
0.4Ω max at 4.5V supply
Spread spectrum clocking
1.7A Current-limit