ADUM3123CRZ

Isolators - Gate Drivers Overview

The ADUM3123CRZ is a galvanically isolated precision gate driver from Analog Devices, housed in an 8-lead SOIC package. It delivers a peak output current of 4 A with rise and fall times of 12 ns. The device operates within a supply voltage range of 3.3 V to 5 V on the input side and supports output voltages from 4.5 V to 18 V. It features an inverting configuration, a shutdown function, and a working power consumption of 5.6 mA. The component is rated for operation between -40°C and +125°C, with a maximum power dissipation of 1.31 W.

Isolators - Gate Drivers Feature Summary

• Provides 3000 VRMS galvanic isolation using monolithic transformer technology
• Delivers high-speed switching with 12 ns rise and fall times
• Includes integrated shutdown control for precise gate management

Isolators - Gate Drivers Applications

• Driving IGBTs and MOSFETs in industrial motor drives
• Power supplies requiring high-voltage isolation
• Inverter circuits in renewable energy systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix (CRZ) against official Analog Devices documentation to confirm the exact temperature grade and packaging variant. Ensure compatibility with existing PCB footprints for the 8-SOIC package. Confirm that the required isolation voltage ratings meet system safety standards before finalizing procurement specifications.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching and robust galvanic isolation are required for power devices. The 4 A peak current capability suits medium-power applications. Consider the inverting logic configuration and the need for external bootstrap or charge pump circuits depending on the specific high-side driving requirements of the target topology.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM3123 series of isolated gate drivers. It utilizes Analog Devices' iCoupler technology, which combines high-speed CMOS logic with monolithic transformer technology to provide signal and power isolation without optical components. This series is designed for demanding applications where reliability and speed are critical.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers: ADUM3123BRZ.