ADUM4120-1BRIZ-RL

Isolators - Gate Drivers Overview

The ADUM4120-1BRIZ-RL is a high-performance, isolated gate driver designed for industrial applications. It provides reinforced isolation and precise timing characteristics. The device features a peak output current of 2.3 A with an on-resistance of less than 2 Ω. It operates with an input supply voltage range of 2.5 V to 6.5 V and an output supply voltage range of 4.5 V to 35 V. The component offers multiple Under Voltage Lockout (UVLO) options on the VDD2 side, specifically Class B with a typical forward threshold of 7.3 V. It exhibits a maximum fall edge propagation delay of 79 ns and rise/fall times of 18 ns. The device supports a high common-mode transient immunity of 150 kV/μs and functions within a junction temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Provides reinforced isolation using iCoupler technology with a wide-body 6-pin SOIC package offering increased creepage distance.
• Features precise timing characteristics with low propagation delay and fast rise/fall times for reliable switching control.
• Includes configurable Under Voltage Lockout (UVLO) thresholds on the output side to ensure safe operation under various conditions.

Isolators - Gate Drivers Applications

• Industrial inverters
• IGBT and MOSFET gate driving
• Power devices such as GaN and SiC

Isolators - Gate Drivers Procurement Notes

Verify availability status carefully, as this specific part number may be subject to limited supply or factory special orders. Confirm that the Class B UVLO specification matches the design requirements. Ensure the wide-body SOIC-6 footprint is compatible with the PCB layout. Check for any recent updates to safety certifications or regulatory approvals before finalizing procurement plans.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with Class B UVLO is required. It is suitable for applications needing 5 kVrms isolation and high common-mode transient immunity. Consider the 2.3 A peak current capability for driving power switches. Verify compatibility with the system's input logic levels and output voltage requirements up to 35 V.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM4120 series of isolated precision gate drivers from Analog Devices. It utilizes iCoupler technology to combine high-speed CMOS logic with monolithic transformer capabilities. The series is designed to replace traditional optocouplers in many industrial applications, offering superior performance in terms of speed, reliability, and size reduction while maintaining robust electrical isolation.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include other variants within the ADuM4120 family, such as the ADUM4120-1ARIZ-RL (Class A UVLO) or ADUM4120-1CRIZ-RL (Class C UVLO), provided the UVLO threshold differences are acceptable. General replacements must match the 6-SOIC package, 2A+ drive strength, and 5kV isolation rating.