ADuM3070

Data Sheet

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

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

Specifications..................................................................................... 3

Electrical Characteristics—5 V Primary Input Supply/5 V

Secondary Isolated Supply........................................................... 3

Electrical Characteristics—3.3 V Primary Input Supply/3.3 V

Secondary Isolated Supply........................................................... 3

Electrical Characteristics—5 V Primary Input Supply/3.3 V

Secondary Isolated Supply........................................................... 4

Electrical Characteristics—5 V Primary Input Supply/15 V

Secondary Isolated Supply........................................................... 4

Package Characteristics ............................................................... 5

Regulatory Approvals (Pending)................................................ 5

Insulation and Safety Related Specifications ............................ 5

DIN V VDE V 0884-10 (VDE V 0884-10) Insulation

Characteristics .............................................................................. 6

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

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions..............................8

Typical Performance Characteristics ..............................................9

Applications Information .............................................................. 14

Application Schematics ............................................................. 14

Transformer Design ................................................................... 15

Transformer Turns Ratio........................................................... 15

Transformer ET Constant ......................................................... 15

Transformer Primary Inductance and Resistance ................. 15

Transformer Isolation Voltage.................................................. 16

Switching Frequency.................................................................. 16

Transient Response .................................................................... 16

Component Selection ................................................................ 16

Printed Circuit Board (PCB) Layout ....................................... 17

Thermal Analysis ....................................................................... 17

Power Consumption .................................................................. 17

Power Considerations................................................................ 18

Insulation Lifetime..................................................................... 18

Outline Dimensions....................................................................... 19

Ordering Guide .......................................................................... 19

REVISION HISTORY

5/12—Revision 0: Initial Version