ADuM4121

Data Sheet High Voltage, Isolated Gate Driver with Internal Miller Clamp, 2 A Output ADuM4121/ADuM4121-1 FEATURES 2 A peak output current (<2 Ω RDSON) 2.5 V to 6.5 V input 4.5 V to 35 V output Undervoltage lockout (UVLO) at 2.5 V VDD1 Multiple UVLO options on VDD2 Grade A: 4.4 V (typical) UVLO on VDD2 Grade B: 7.3 V (typical) UVLO on VDD2 Grade C: 11.3 V (typical) UVLO on VDD2 Precise timing characteristics 53 ns maximum isolator and driver propagation delay CMOS input logic levels High common-mode transient immunity: >150 kV/µs High junction temperature operation: 125°C Default low output Internal Miller clamp Safety and regulatory approvals (pending) UL recognition per UL 1577 5 kV rms for 1-minute withstand CSA Component Acceptance Notice 5A VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 VIORM = 849 V peak Wide-body, 8-lead SOIC APPLICATIONS Switching power supplies Isolated IGBT/MOSFET gate drives Industrial inverters Gallium nitride (GaN)/silicon carbide (SiC) power devices GENERAL DESCRIPTION The ADuM4121/ADuM4121-11 are 2 A isolated, single-channel drivers that employ Analog Devices, Inc.’s iCoupler® technology to provide precision isolation. The ADuM4121/ADuM4121-1 provide 5 kV rms isolation in the wide-body, 8-lead SOIC package. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as the combination of pulse tra...