ADUM3123BRZ

Isolators - Gate Drivers Overview

The ADuM3123BRZ is a single-channel, isolated precision gate driver manufactured by Analog Devices Inc. It utilizes iCoupler technology to provide galvanic isolation between the input and output sections. The device features a 4.0 A peak output current capability, designed for driving power switches such as MOSFETs and IGBTs. It operates with a supply voltage range of 4.5 V to 5.5 V on both sides. The component offers high common-mode transient immunity and low propagation delay, ensuring accurate signal transmission across the isolation barrier while maintaining compact form factor in an 8-lead SOIC package.

Isolators - Gate Drivers Feature Summary

• Employs iCoupler magnetic coupling technology for precise galvanic isolation
• Provides high peak output current suitable for direct gate drive applications
• Integrates low propagation delay for high-speed switching performance
• Features robust common-mode transient immunity for noise-resistant operation

Isolators - Gate Drivers Applications

• Driving silicon and wide-bandgap power MOSFETs
• Gate driving insulated-gate bipolar transistors (IGBTs)
• Isolated power supply control circuits
• Motor drive systems requiring high-speed switching

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix BRZ corresponds to the standard SOIC-8 package variant when sourcing. Confirm that the component meets RoHS compliance standards required for your assembly process. Ensure that the isolation voltage ratings align with the safety requirements of the target application environment. Cross-reference the datasheet revision date to ensure compatibility with latest design guidelines.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with 4A output capability is required. Consider the iCoupler technology benefits over traditional transformer-based solutions for size and reliability. Evaluate the propagation delay specifications against the switching frequency requirements of the power stage. Ensure the operating temperature range covers the intended environmental conditions.

Isolators - Gate Drivers Part Context

The ADUM3123BRZ belongs to the ADuM312x family of isolated gate drivers from Analog Devices. This series leverages proprietary iCoupler technology to replace bulky magnetic components with integrated chip-scale isolators. The family is designed for applications demanding high reliability and precision in power electronics, offering a compact alternative to conventional optocoupler or transformer-based gate drive solutions.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Consult Analog Devices official resources for qualified replacements.