ISO7740 datasheet(2/55 Pages) TI2

2 / 55 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................2

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

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

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

5.3 Recommended Operating Conditions.........................6

5.4 Thermal Information....................................................7

5.5 Power Ratings.............................................................7

5.6 Insulation Specifications............................................. 8

5.7 Safety-Related Certifications.................................... 10

5.8 Safety Limiting Values...............................................10

5.9 Electrical Characteristics—5-V Supply..................... 12

5.10 Supply Current Characteristics—5-V Supply.......... 13

5.11 Electrical Characteristics—3.3-V Supply.................14

5.12 Supply Current Characteristics—3.3-V Supply....... 15

5.13 Electrical Characteristics—2.5-V Supply ............... 16

5.14 Supply Current Characteristics—2.5-V Supply....... 17

5.15 Switching Characteristics—5-V Supply...................18

5.16 Switching Characteristics—3.3-V Supply................19

5.17 Switching Characteristics—2.5-V Supply................20

5.18 Insulation Characteristics Curves........................... 21

5.19 Typical Characteristics............................................ 22

6 Parameter Measurement Information.......................... 24

7 Detailed Description......................................................26

7.1 Overview................................................................... 26

7.2 Functional Block Diagram......................................... 26

7.3 Feature Description...................................................27

7.4 Device Functional Modes..........................................28

8 Application and Implementation.................................. 30

8.1 Application Information............................................. 30

8.2 Typical Application.................................................... 30

8.3 Power Supply Recommendations.............................33

8.4 Layout....................................................................... 34

9 Device and Documentation Support............................35

9.1 Documentation Support............................................ 35

9.2 Related Links............................................................ 35

9.3 Receiving Notification of Documentation Updates....35

9.4 Support Resources................................................... 35

9.5 Trademarks...............................................................35

9.6 Electrostatic Discharge Caution................................35

9.7 Glossary....................................................................35

10 Revision History.......................................................... 36

11 Mechanical, Packaging, and Orderable

Information.................................................................... 37

4 Pin Configuration and Functions

GND1

GND2

EN2

IND

OUTD

INC

OUTC

INB

OUTB

INA

OUTA

GND1

GND2

VCC1

VCC2

Figure 4-1. ISO7740-Q1 DW and DBQ Packages 16-Pin SOIC-WB and QSOP Top View

ISO7740-Q1, ISO7741-Q1, ISO7742-Q1

SLLSEU0G – NOVEMBER 2016 – REVISED OCTOBER 2024

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Product Folder Links: ISO7740-Q1 ISO7741-Q1 ISO7742-Q1

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