FEATURES
► 4.0 A output short-circuit pulsed current ► Isolated working voltage ► Secondary side to input side: 537 V ► High frequency operation: 1 MHz maximum ► 3.3 V to 5 V input logic ► 4.5 V to 18 V output drive ► Undervoltage lockout (UVLO): 2.8 V VDD1 ► Precise timing characteristics ► 64 ns maximum isolator and driver propagation delay ► Complementary metal oxide semiconductor (CMOS) input logic levels ► High common-mode transient immunity: >25 kV/µs ► High junction temperature operation: 125°C ► Default low output ► Safety and regulatory approvals ► UL 1577 ► VISO = 3000 V rms for 1 minute ► IEC / EN / CSA 62368-1 ► IEC / CSA 60601-1 ► IEC / CSA 61010-1 ► DIN EN IEC 60747-17 (VDE 0884-17) ► VIORM = 565 V peak ► Narrow body, 8-lead SOIC APPLICATIONS
► Switching power supplies ► Isolated gate bipolar transistors (IGBT)/MOSFET gate drives ► Industrial inverters FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION
The ADuM31231 is a 4.0 A isolated, single channel driver that employs Analog Devices, Inc., iCoupler® technology to provide precision isolation.