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The ADUM3221TRZ-EP-RL7 is a dual-channel, current-isolated gate driver from Analog Devices. It features magnetic coupling technology for signal transmission with a voltage isolation rating of 2500Vrms. The device provides a peak output current of 4A and operates within an extended temperature range of -55°C to 125°C. It utilizes an 8-SOIC surface-mount package and includes a shutdown function. The nominal undervoltage lockout (UVLO) threshold is 7V.
Verify the specific suffix EP-RL7 against official Analog Devices documentation to confirm military-grade qualification and reel packaging status. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement. Cross-reference datasheet revisions to confirm pinout consistency.
Select this component when high-speed digital isolation with significant current drive is required in noisy environments. The extended temperature range suits harsh industrial conditions. Compare UVLO thresholds and propagation delays against alternative isolated drivers to ensure timing compatibility with target power switches.
This part belongs to the ADUM3221 series of iCoupler gate drivers. It shares architectural similarities with other members like the ADUM3220 but differs in UVLO specifications and packaging options. The EP designation indicates enhanced performance or qualification standards compared to standard commercial variants.
Direct substitutes include ADUM3221ARZ and ADUM3221WBRZ-RL7. Verify that the replacement matches the 7V nominal UVLO requirement and 4A output current specification. Confirm package compatibility and isolation voltage ratings before substitution.