ADUM4120-1CRIZ-RL

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The ADUM4120-1CRIZ-RL is a part of a family of isolator-based gate drivers, meaning it enables an operation to isolate one system ground from another. It incorporates circuit protection features and modern safety features while in operation, since it is a key component connecting a system to a high voltage environment. Different applications – both domestic and industrial – require different gate driver isolators. But whatever the application, reliability and safety is always paramount.

The ADUM4120-1CRIZ-RL offers galvanic isolation of up to 5kV RMS and robust operation due to its 2.5mm creepage and clearance gap. This allows the isolator to operate safely according to applicable international safety standards such as UL/IEC/EN 60747. The material used in the isolator, a Polycarbonate-filled, allows the device to is thermally stable and very stable in terms of both humidity and temperature. This helps ensure continuity of operation across a large variety of conditions.

The ADUM4120-1CRIZ-RL is a driver suitable for controlling a variety of loads. It offers up to 20kV/μs of rise and fall time and is offered with operating temperatures of -40°C to +105°C or -55°C to +125°C (extended). This wide operating temperature range makes the ADUM4120-1CRIZ-RL an ideal choice for mission-critical applications affected by the environment. The ADUM4120-1CRIZ-RL features a wide input voltage range of 1.2V to 5.5V.

The ADUM4120-1CRIZ-RL is incorporated into an application due to its ability to achieve high switching speeds without compromising the safety isolation between two regions. It operates through an arrangement of two BJT transistors, which work together to generate high voltage potential. The BJT arrangement is designed with two redundant, independent current paths which prevent electrical breakdown or arc due to high operating temperatures. The arrangement also allows for low-power consumption, which is a crucial factor in any application.

The ADUM4120-1CRIZ-RL is used in numerous applications across domestic, industrial, automotive, and medical sectors. It provides the safe isolation required for motion control and power switching, such as in the control of medical equipment or the switching of electrical components in the automotive industry. In these applications, load control of motors, relays, or lights by using the ADUM4120-1CRIZ-RL’s input isolation and output drive circuit capabilities, ensure precise switching and operation.

The ADUM4120-1CRIZ-RL is a practical solution for galvanic isolation and robust load control. It’s unique arrangement of BJTs makes it suitable for demanding applications while its combination of protection features, wide temperature range, and voltage input range makes it a very versatile driver. This isolator-based gate driver is essential for any automated process or mechanism which requires high-speed, reliable, and safe switching and operation.

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