Infineon Technologies announced further members of its CoolSET F2 family at the recent PCIM 2002 show. The new products in TO220 package are designed for output power ratings up to 240 W, enabling switched-mode power supply (SMPS) manufacturers to rapidly develop efficient, low-cost and high-quality power supplies conforming to the new EU minimum heat generation guidelines. The CoolSET F2 family boasts the lowest drain-source on-state resistance in the industry, around 40% less than that of current products on the market, according to the manufacturer.
Typical applications include primary adapter power supplies, as well as integrated power supply solutions featuring high power density.
The CoolSET F2 products combine a power MOSFET implemented in the company's CoolMOS (Metal Oxide Semiconductor) technology with a fixed-frequency PWM (pulse width modulation) control IC. The very low switching and conduction losses lead to a marked reduction in heat generation. The new 240 W products in insulated TO220 package provide optimum heat dissipation, with thermal resistance (Rth = 2,5 K/W) improved by more than 50% compared with Fullpack versions. Heatsinking has been reduced to an absolute minimum.
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