600V super junction MOSFETs for PV inverters

Posted By : Nat Bowers
600V super junction MOSFETs for PV inverters

Consisting of the TK31N60X, TK39N60X and TK62N60X, Toshiba has announced the introduction of the DTMOS IV-H series high-speed switching type super junction MOSFETs. The 600V MOSFETs are suitable for applications requiring high reliability, power efficiency and a compact design, such as high efficiency switching power supplies for servers and telecomms base stations and power conditioners for photovoltaic inverters.

The series achieves a high speed switching performance while keeping the low ON-resistance level of conventional DTMOS IV - all without loss of power. This is accomplished through the reduction of parasitic capacitance between Gate and Drain, (typical Ciss of 3000-6500pF) which also contributes to improved power efficiency and downsizing of products.

Gate pattern optimisation results in a 45% reduction in Gate-Drain charge (typical Qg of 65-135nC) when compared with conventional DTMOS IV. The product lineup features low ON-resistance (RDS(ON) MAX at VGS=10V of 0.088-0.040Ω) and the devices only suffer a small increase in low ON-resistance at high temperatures due to the use of the single epitaxial process. Drain current for the devices is in the range of 30.8-61.8A.

Using Toshiba's state-of-the-art single epitaxial process, the DTMOS IV-H series is currently available in a T0-247 package, with additional package options, including 8x8mm DFN, TO-220 and TO-220SIS becoming available soon.

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