ADUM4121CRIZ

Isolators - Gate Drivers Overview

The ADUM4121CRIZ is a single-channel, isolated gate driver utilizing Analog Devices iCoupler technology for precision isolation. It features a peak output current of 2 A and supports supply voltages from 2.5 V to 6.5 V. The device provides an output voltage of 11.6 V with rise and fall times of 18 ns. It operates within a temperature range of -40°C to +125°C in an SOIC-8 package.

Isolators - Gate Drivers Feature Summary

• Integrates Miller clamp functionality to prevent false turn-on events during high dv/dt switching conditions.
• Includes thermal shutdown protection to safeguard the device against overheating scenarios.
• Provides galvanic isolation via iCoupler technology without requiring external magnetic components.

Isolators - Gate Drivers Applications

• Driving Silicon Carbide (SiC) MOSFETs in high-frequency power converters
• Isolated gate driving for IGBT modules in industrial inverters
• High-voltage switch-mode power supply control interfaces

Isolators - Gate Drivers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the specific suffix 'CRIZ' matches the required packaging and temperature grade specifications for your design. Request official datasheets and test reports to ensure compliance with RoHS standards and operational limits before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with integrated Miller clamp and thermal protection is required. It is suitable for applications demanding high-speed switching with precise timing characteristics. Ensure the input logic levels are compatible with the driver's supply voltage range and verify that the SOIC-8 package fits the board layout constraints.

Isolators - Gate Drivers Part Context

The ADUM4121CRIZ belongs to the ADuM4121 series of isolated gate drivers. This series leverages iCoupler technology to replace traditional optocouplers and transformers, offering higher reliability and smaller form factors. The CRIZ variant specifically denotes the tube packaging configuration and commercial/industrial temperature range options available within the product line.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source documentation. For potential replacements, consult Analog Devices application notes or technical support for cross-reference recommendations based on specific electrical requirements and pin compatibility.