link to page 6 ADuM4070Data SheetDIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS This isolator is suitable for reinforced electrical isolation only within the safety limit data. Protective circuits ensure maintenance of the safety data. The asterisk (*) marking branded on the component denotes DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 approval. Table 8. DescriptionTest Conditions/CommentsSymbolCharacteristic Unit Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ 150 V rms I to IV For Rated Mains Voltage ≤ 300 V rms I to IV For Rated Mains Voltage ≤ 400 V rms I to III Climatic Classification 40/105/21 Pollution Degree per DIN VDE 0110, Table 1 2 Maximum Working Insulation Voltage V 849 V peak IORM Input-to-Output Test Voltage, Method B1 V × 1.875 = V , 100% production test, V 1592 V peak IORM pd (m) pd (m) t = t = 1 sec, partial discharge < 5 pC ini m Input-to-Output Test Voltage, Method A After Environmental Tests Subgroup 1 V × 1.5 = V , t = 60 sec, t = 10 sec, V 1273 V peak IORM pd (m) ini m pd (m) partial discharge < 5 pC After Input and/or Safety Tests Subgroup 2 V × 1.2 = V , t = 60 sec, t = 10 sec, V 1018 V peak IORM pd (m) ini m pd (m) and Subgroup 3 partial discharge < 5 pC Highest Allowable Overvoltage V 6000 V peak IOTM Surge Isolation Voltage V peak = 10 kV, 1.2 µs rise time, 50 µs, 50% fal time V 6000 V peak IOSM Safety Limiting Values Maximum value allowed in the event of a failure (see Figure 2) Case Temperature T 150 °C S Power Dissipation, Side 1, Side 2 P , P 2.78 W VDDA VREG Insulation Resistance at T V = 500 V R >109 Ω S IO S 3.0)(WEG2.5VR, PDDA2.0V, P R1.5OWEG PTIN1.0A R EOP0.5FE A S0 002 050100150200CASE TEMPERATURE (°C) 10461- Figure 2. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN EN 60747-5-2 RECOMMENDED OPERATING CONDITIONSTable 9. ParameterSymbolMinMaxUnit TEMPERATURE Operating Temperature T −40 +105 °C A LOAD Minimum Load I 10 mA ISO (MIN) Rev. 0 | Page 6 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