SLLSFP4
July 2022
ISOW7721
PRODUCTION DATA
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
9.3.4
Multi-Device Chaining for Increased Power Output
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
13.1.1
Development 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
sllsfp4_oa
sllsfp4_pm
9.1
Overview
The ISOW7721 family of devices have a low-noise, low-emissions isolated DC-DC converter, and two high-speed isolated data channels.
Section 9.2
shows the functional block diagram of the ISOW7721 device.