Saturday, December 14, 2024

Compact 600V Super Junction MOSFETs Catering To Modern Power Supply Needs

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A lineup of five models offers characteristics such as minimal noise, swift switching capabilities, and rapid reverse recovery time.

ROHM announces the launch of its latest products—compact 600V Super Junction MOSFETs, namely the R6004END4, R6003KND4, R6006KND4, R6002JND4, and R6003JND4. Tailored for applications like small lighting power supplies, pumps, and motors, these devices address the growing demand for smaller and more sophisticated power supplies in modern devices.

The evolution of lighting power supplies and pump motors necessitates a size reduction, prompting the need for compact MOSFETs crucial for efficient switching operations. While achieving an optimal balance between high breakdown voltage and low ON resistance has traditionally posed challenges, the company has overcome this hurdle. Through a meticulous review of the chip’s configuration, the company successfully developed five models in the SOT-223-3 package (6.50mm × 7.00mm × 1.66mm), offering a more compact and lower-profile form factor without compromising performance.

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“Presto,” an Italian musical term meaning “very fast,” inspires PrestoMOS, the company’s proprietary power MOSFET. Maintaining high withstand voltage and low ON resistance typical of Super Junction MOSFETs, PrestoMOS accelerates the reverse recovery time of the diode, reducing switching losses. Ideal for inverter circuits, it finds applications in air conditioners and refrigerators. The features include:

  • SOT-223-3 package (6.50mm × 7.00mm × 1.66mm) offer significant size advantages.
  • Compared to the conventional TO-252 package (6.60mm × 10.00mm × 2.30mm), these products reduce area by 31% and thickness by 27%.
  • Facilitates smaller and lower-profile applications for enhanced versatility.
  • The new products maintain compatibility with the existing circuit board footprint (land pattern) of the TO-252 package.
  • Seamless integration is achieved without the need for modifications, ensuring a smooth transition to the upgraded components.

The lineup has three models optimised for compact power supplies. The first model is designed for low noise and is ideal for noise-sensitive applications. The other two, featuring high-speed switching capabilities, are well-suited for sets requiring low loss and high-efficiency operation. Leveraging proprietary PrestoMOS technology, they achieve significantly lower switching losses by accelerating reverse recovery time (trr), making them a perfect fit for devices equipped with motors. The company provides comprehensive support for these products, offering free access to application notes, technical documents, and SPICE simulation models on its website.

The company remains committed to expanding its Super Junction MOSFET lineup with different packages and even lower ON resistances. This dedication addresses various social issues, including environmental protection, by reducing power consumption across multiple devices.Starting from December 2023, these MOSFETs will be available for purchase at a competitive price of $3.0 per unit for samples, excluding tax.

Akanksha Gaur
Akanksha Gaur
Akanksha Sondhi Gaur is a journalist at EFY. She has a German patent and brings a robust blend of 7 years of industrial & academic prowess to the table. Passionate about electronics, she has penned numerous research papers showcasing her expertise and keen insight.

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