ISOW7841FDWER datasheet(2/38 Pages) TI1

Part #	ISOW7841FDWER

Description	High-Performance, 5000-VRMS Reinforced Quad-Channel Digital Isolators With Integrated High-Efficiency, Low-Emissions DC-DC Converter

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Manufacturer	TI1 [Texas Instruments]

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ISOW7840, ISOW7841, ISOW7842, ISOW7843, ISOW7844

SLLSEY2 – MARCH 2017

www.ti.com

Product Folder Links: ISOW7840 ISOW7841 ISOW7842 ISOW7843 ISOW7844

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Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Description (continued)......................................... 3

6

Pin Configuration and Functions ......................... 3

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ...................................... 5

7.2

ESD Ratings.............................................................. 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 6

7.5

Power Ratings........................................................... 6

7.6

Insulation Specifications............................................ 7

7.7

Safety-Related Certifications..................................... 8

7.8

Safety Limiting Values .............................................. 8

7.9

DC Electrical Characteristics—5-V Input, 5-V

Output ........................................................................ 9

7.10

DC Electrical Characteristics—5-V Input, 3.3-V

Output ...................................................................... 10

7.11

DC Electrical Characteristics—3.3-V Input, 3.3-V

Output ...................................................................... 11

7.12

Switching Characteristics—5-V Input, 5-V Output 12

7.13

Switching Characteristics—5-V Input, 3.3-V

Output ...................................................................... 12

7.14

Switching Characteristics—3.3-V Input, 3.3-V

Output ...................................................................... 12

7.15

Insulation Characteristics Curves ......................... 13

7.16

Typical Characteristics .......................................... 14

8

Parameter Measurement Information ................ 18

9

Detailed Description ............................................ 19

9.1

Overview ................................................................. 19

9.2

Functional Block Diagram ....................................... 19

9.3

Feature Description................................................. 21

9.4

Device Functional Modes........................................ 22

10

Application and Implementation........................ 24

10.1

Application Information.......................................... 24

10.2

Typical Application ............................................... 24

11

Power Supply Recommendations ..................... 26

12

Layout................................................................... 27

12.1

Layout Guidelines ................................................. 27

12.2

Layout Example .................................................... 28

13

Device and Documentation Support ................. 29

13.1

Documentation Support ........................................ 29

13.2

Related Links ........................................................ 29

13.3

Receiving Notification of Documentation Updates 29

13.4

Community Resources.......................................... 29

13.5

Trademarks ........................................................... 29

13.6

Electrostatic Discharge Caution ............................ 29

13.7

Glossary ................................................................ 29

14

Mechanical, Packaging, and Orderable

Information ........................................................... 30

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

DATE

REVISION

NOTES

March 2017

*

Initial release.

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