ADUM4221ARIZ-RL

The ADUM4221ARIZ-RL isolated gate driver is a technological marvel, renowned for its exceptional performance and versatility. With features like a 4 A peak current handling capacity, a wide logic input voltage range of 2.5 V to 6.5 V, and a broad output supply voltage range of 4.5 V to 35 V, it caters to diverse applications. Its precise timing characteristics, adjustable dead time, and high common-mode transient immunity of 150 kV/µs make it a top choice for engineers. This gate driver finds applications in industrial automation, renewable energy, automotive electronics, medical devices, and consumer electronics, where its reliability and precision shine. In a world where innovation is key, the ADUM4221ARIZ-RL stands out as a beacon of excellence, offering unmatched performance and versatility.

·Switching power supplies

·Isolated IGBT/MOSFET gate drives

·Industrial inverters

·Gallium nitride (GaN)/silicon carbide (SiC) compatible

The ADuM4221/ADuM4221-1/ADuM4221-2 are 4 A isolated, half bridge gate drivers that employ the Analog Devices, Inc., iCoupler® technology to provide independent and isolated high-side and low-side outputs. The ADuM4221/ADuM4221-1/ ADuM4221-2 provide 5700 V rms isolation in an increased creepage wide body, 16-lead SOIC_IC. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to the alternatives, such as the combination of pulse transformers and gate drivers.

The isolators operate with a logic input voltage ranging from 2.5 V to 6.5 V, providing compatibility with lower voltage systems. In comparison to gate drivers employing high voltage level translation methodologies, the ADuM4221/ADuM4221-1/ ADuM4221-2 offer the benefit of true, galvanic isolation between the input and each output.

The ADuM4221/ADuM4221-1 each have built in overlap protection and allow dead time adjustment. A single resistor between the dead time pin (DT) and the GND1 pin sets the dead time on the secondary side between the high-side and the low-side outputs. The ADuM4221-2 does not have overlap protection nor dead time control.

An internal thermal shutdown (TSD) sets outputs low if the internal temperature on the ADuM4221/ADuM4221-1/ADuM4221-2 exceeds the TSD temperature. As a result, the ADuM4221/ADuM4221-1/ADuM4221-2 provide reliable control over the switching characteristics of the insulated gate bipolar transistor (IGBT)/metal-oxide semiconductor field effect transistor (MOSFET) configurations over a wide range of positive or negative switching voltages.

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