ADUM4121-1BRIZ-RL

Isolators - Gate Drivers Overview

The ADUM4121-1BRIZ-RL is a single-channel, isolated gate driver from Analog Devices. It utilizes iCoupler technology to provide precision isolation with a rating of 5 kV rms. The device features a peak output current of 2 A and supports maximum output voltages up to 35 V. It is housed in an 8-pin wide SOIC package and operates within a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Integrates internal Miller clamp functionality for enhanced switching stability
• Includes thermal shutdown protection (TSD) mechanisms
• Employs iCoupler technology for high-precision signal isolation

Isolators - Gate Drivers Applications

• Isolated power supply control circuits
• Motor drive gate driving applications
• Industrial automation systems requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'RL' indicates reel packaging when sourcing. Confirm that the part number corresponds to the ADuM4121-1 variant which includes the Miller clamp feature, distinct from the standard ADuM4121. Ensure compatibility with the required isolation voltage ratings for the target application design.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel driver with integrated Miller clamping is required. It is suitable for applications needing robust thermal protection and high-speed isolation. Compare against non-clamped variants if Miller effects are not a primary concern in the specific circuit topology.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM4121 series of isolated gate drivers. It shares the core iCoupler architecture with other members but is distinguished by the inclusion of the Miller clamp feature. The series offers various package and speed options for different power management needs.

Isolators - Gate Drivers Replacement Considerations

The ADUM4121BRIZ-RL is a related variant within the same family but lacks the Miller clamp feature found in the ADUM4121-1. Verify functional requirements before substitution as the absence of the clamp may affect performance in high-dV/dt environments.