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ADuM4473CRIZ Datasheet(PDF) 2 Page - Analog Devices

Part # ADuM4473CRIZ
Description  Isolated Switching Regulator with Quad-Channel Isolators
Download  36 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADuM4473CRIZ Datasheet(HTML) 2 Page - Analog Devices

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ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474
Data Sheet
Rev. 0 | Page 2 of 36
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Block Diagrams of I/O Channels.................................................... 3
Specifications..................................................................................... 4
Electrical Characteristics—5 V Primary Input Supply/
5 V Secondary Isolated Supply ................................................... 4
Electrical Characteristics—3.3 V Primary Input Supply/
3.3 V Secondary Isolated Supply ................................................ 6
Electrical Characteristics—5 V Primary Input Supply/
3.3 V Secondary Isolated Supply ................................................ 8
Electrical Characteristics—5 V Primary Input Supply/
15 V Secondary Isolated Supply ............................................... 10
Package Characteristics ............................................................. 12
Regulatory Approvals (Pending) .............................................. 12
Insulation and Safety-Related Specifications.......................... 12
DIN V VDE V 0884-10 (VDE V 0884-10) Insulation
Characteristics ............................................................................ 13
Recommended Operating Conditions .................................... 13
Absolute Maximum Ratings.......................................................... 14
ESD Caution................................................................................ 14
Pin Configurations and Function Descriptions ......................... 15
Typical Performance Characteristics ........................................... 20
Applications Information .............................................................. 26
Theory of Operation .................................................................. 26
Application Schematics ............................................................. 26
Transformer Design ................................................................... 27
Transformer Turns Ratio........................................................... 27
Transformer ET Constant ......................................................... 27
Transformer Primary Inductance and Resistance ................. 28
Transformer Isolation Voltage .................................................. 28
Switching Frequency.................................................................. 28
Transient Response .................................................................... 28
Component Selection ................................................................ 29
Printed Circuit Board (PCB) Layout ....................................... 29
Thermal Analysis ....................................................................... 30
Propagation Delay-Related Parameters................................... 30
DC Correctness and Magnetic Field Immunity........................... 30
Power Consumption .................................................................. 31
Power Considerations................................................................ 32
Insulation Lifetime ..................................................................... 33
Outline Dimensions ....................................................................... 34
Ordering Guide .......................................................................... 34
REVISION HISTORY
12/12—Revision 0: Initial Version


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