Datasheet ADUM4070 (Analog Devices) - 2

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ADuM4070 Data Sheet TABLE OF CONTENTS
Features .. 1 Pin Configuration and Function Descriptions ..8 Applications ... 1 Typical Performance Characteristics ..9 Functional Block Diagram .. 1 Applications Information .. 14 General Description ... 1 Application Schematics ... 14 Revision History ... 2 Transformer Design ... 15 Specifications ... 3 Transformer Turns Ratio ... 15 Electrical Characteristics—5 V Primary Input Supply/ Transformer ET Constant ... 15 5 V Secondary Isolated Supply ... 3 Transformer Primary Inductance and Resistance ... 16 Electrical Characteristics—3.3 V Primary Input Supply/ Transformer Isolation Voltage .. 16 3.3 V Secondary Isolated Supply .. 3 Switching Frequency .. 16 Electrical Characteristics—5 V Primary Input Supply/ 3.3 V Secondary Isolated Supply .. 4 Transient Response .. 16 Electrical Characteristics—5 V Primary Input Supply/ Component Selection .. 16 15 V Secondary Isolated Supply ... 4 Printed Circuit Board (PCB) Layout ... 17 Package Characteristics ... 5 Thermal Analysis ... 17 Regulatory Approvals (Pending) .. 5 Power Consumption .. 17 Insulation and Safety-Related Specifications .. 5 Power Considerations .. 17 DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation Lifetime ... 18 Insulation Characteristics .. 6 Outline Dimensions ... 19 Recommended Operating Conditions .. 6 Ordering Guide .. 19 Absolute Maximum Ratings .. 7 ESD Caution .. 7
REVISION HISTORY 10/12—Revision 0: Initial Version
Rev. 0 | Page 2 of 20 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Electrical Characteristics—5 V Primary Input Supply/5 V Secondary Isolated Supply Electrical Characteristics—3.3 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/15 V Secondary Isolated Supply Package Characteristics Regulatory Approvals (Pending) Insulation and Safety-Related Specifications DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information Application Schematics Transformer Design Transformer Turns Ratio Transformer ET Constant Transformer Primary Inductance and Resistance Transformer Isolation Voltage Switching Frequency Transient Response Component Selection Printed Circuit Board (PCB) Layout Thermal Analysis Power Consumption Power Considerations Soft Start Mode and Current-Limit Protection Insulation Lifetime Outline Dimensions Ordering Guide