Data SheetADuM3123PIN CONFIGURATION AND FUNCTION DESCRIPTIONSVDD1 18VDD2VADuM31232VI7OTOP VIEWDISABLE36NIC(Not to Scale)GND1 45GND2 003 NIC = NOT INTERNALLY CONNECTED 12574- Figure 3. Pin Configuration Table 11. Pin Function Descriptions Pin No.MnemonicDescription 1 VDD1 Supply Voltage for Isolator Side 1. 2 VI Gate Drive Input. 3 DISABLE Disable. Connect to Logic Low to Enable. 4 GND1 Ground 1. Ground reference for Isolator Side 1. 5 GND2 Ground 2. Ground reference for Isolator Side 2. 6 NIC Not Internally Connected. 7 VO Gate Drive Output. 8 VDD2 Supply Voltage for Isolator Side 2. Rev. 0 | Page 9 of 15 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Electrical Characteristics—5 V Operation Electrical Characteristics—3.3 V Operation Package Characteristics Insulation and Safety Related Specifications Regulatory Information DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information Printed Circuit Board (PCB) Layout Propagation Delay Related Parameters Thermal Limitations and Switch Load Characteristics Output Load Characteristics DC Correctness and Magnetic Field Immunity Power Consumption Insulation Lifetime Outline Dimensions Ordering Guide