ADUM3221ARZ Analog Devices, Digital Isolator, 2500 V, 8-Pin SOIC

ADuM3220/ADuM3221, 2.5kVrms Isolated 4A Dual Channel Gate Driver, Analog Devices

The ADuM3220 and ADuM3221 from Analog Devices are 4A dual channel gate drivers incorporating Analog Devices’ iCoupler® technology. The combination of high speed CMOS and monolithic transformer technology provide superior performance when compared to alternatives such as the combination of pulse transformers and gate drivers. Digital isolation is provided in 2 independent isolation channels.

Features

4A peak output current
60ns maximum isolator and driver propagation delay
5ns maximum channel-to-channel matching
3.3V to 5V input logic
4.5V to 18V output drive
Thermal shutdown protection at >150°C
Default low output
High frequency operation: DC to 1MHz
CMOS input logic levels
High common-mode transient immunity: >25kV/μs
Enhanced system-level ESD performance per IEC 61000-4-x
2500Vrms isolation voltage

Typical Applications

Isolated synchronous DC-to-DC converters
MOSFET/IGBT gate drivers

The Analog Devices ADUM3221 is isolated, 4 A dual channel gate drivers based on the Analog Devices, Inc., iCoupler technology. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to the alternatives, such as the combination of pulse transformers and gate drivers. It provide digital isolation in two independent isolation channels. They have a maximum propagation delay of 60 ns and 5 ns channel to channel matching.

4 A peak output current
Precise timing characteristics
High junction temperature operation: 125°C 3.3 V to 5 V input logic
4.5 V to 18 V output drive UVLO at 2.5 V VDD1

Isolated Power Drivers

A range of Isolated Drivers for use in applications employing IGBT or MOSFET power output devices