ADUM4120CRIZ

Isolators - Gate Drivers Overview

The ADUM4120CRIZ is a single-channel isolated gate driver utilizing iCoupler magnetic coupling technology. It provides 5 kVrms isolation in a 6-pin wide-body SOIC package with extended creepage distance. The device features a peak output current of 2.3 A and supports input voltages from 2.5 V to 6.5 V, while driving outputs between 4.5 V and 35 V. Key electrical parameters include a maximum propagation delay of 79 ns, rise and fall times of 18 ns, and common mode transient immunity of 150 kV/μs. Operating temperatures range from -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Integrates high-speed CMOS logic with on-chip transformer technology for precise signal isolation.
• Provides true electrical isolation between input and output circuits without requiring external level shifting.
• Includes an optional input noise filter to reduce the probability of spurious triggering.
• Features multiple under-voltage lockout (UVLO) options on the output side for reliable switching control.

Isolators - Gate Drivers Applications

• Control of Insulated Gate Bipolar Transistors (IGBTs)
• Gate driving for Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs)
• Industrial motor drive systems
• Power supply management circuits

Isolators - Gate Drivers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the received part matches the specific ADUM4120CRIZ designation and packaging format. Check for any obsolescence notices or lifecycle changes directly from the manufacturer before finalizing procurement plans.

Isolators - Gate Drivers Selection Notes

Select this component when high-density isolation with extended creepage distances is required in a small footprint. It is suitable for applications demanding precise timing characteristics and robust common-mode transient immunity. Consider the available UVLO thresholds if specific turn-on voltage levels are necessary for the target power stage.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM4120 family of isolated gate drivers. It shares core architectural features with variants like the ADUM4120 but differs in specific suffix designations related to packaging or testing configurations. The CRIZ suffix typically indicates a specific tape-and-reel or tube packaging option within the standard product line.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other members of the ADuM4120 series, such as the ADUM4120CRIZW, depending on package width requirements. Verify pin compatibility and insulation ratings before swapping with generic isolated gate drivers.

Isolators - Gate Drivers FAQ

What is the maximum propagation delay for the ADUM4120CRIZ?

The maximum propagation delay is specified as 79 ns.

Does the ADUM4120CRIZ include an input noise filter?

Yes, the device includes an optional input noise filter to help prevent spurious output triggers caused by input noise.