ON Semiconductor Introduces Portfolio of Power MOSFETs for Portable Applications

ON Semiconductor (Nasdaq: ONNN) introduced uCool™ (micro-cool) — a new family of power MOSFETS that deliver leading edge performance and design flexibility for portable applications. This introduction is marked by the release of the company's first six uCool™ devices in a thermally enhanced, small WDFN6 package.

"We have designed the uCool™ portfolio to exclusively address the unique power management challenges in portable devices such as lithium-ion battery charging circuits, high and low side load switches, and synchronous buck and boost circuits," said Thibault Kassir, ON Semiconductor's director of marketing for Power MOSFETS. "These first uCool™ devices are just the beginning of what we expect will be an extensive portfolio utilizing our latest trench technology. Operating voltages will range from 8 V to 30 V and a variety of configurations will be offered &mdsash; including single, dual, FETKy, complementary and integrated load switch."

The six debut uCool™ products utilize exposed drain DFN technology for exceptional thermal resistance (38 degrees C/W) and power ratings (1.9 W) in an impressively small 4 mm squared footprint. Delivering up to a 190 percent improvement in steady state power rating over the industry standard SC-88 package and 130 percent improvement over the SC-70-6 flat lead package, the WDFN6-packaged uCool™ devices – from a power perspective – make significantly better use of valuable board space in portable applications.

The 20 V P-Channel Single NTLJS3113PT1G and the dual NTLJD3115PT1G are priced at $0.30 and $0.31 per unit in 10,000-unit quantities. The 20 V P-Channel FETKy(R) NTLJF3117PT1G (100 mohms) is priced at $0.31 per unit in 10,000-unit quantities. The 30 V N-Channel Single NTLJS4159NT1G (35 mohms) and FETKy NTLJF4156NT1G (70mohms) are priced at $0.29 and $0.30 per unit in 10,000-unit quantities. The 30 V N-Channel dual NTLJD4116NT1G (70 mohms) is priced at $0.30 per unit in 10,000-unit quantities.

While the new uCool™ power MOSFET family have the same footprint dimensions as a standard SC-88 and SC-70-6 packages, ON Semiconductor's latest MOSFETs offer the added feature of an exposed flag on the bottom surface that acts as a drain contact and heat dissipation path. The improved thermal path allows for either greater power handling or operation at a lower junction temperature. These options are important in battery-operated devices because lower junction temperature equates to lower RDS(on) or less power loss. This, in turn, extends the life time of the battery — an extremely important factor considering the many power-draining features being designed into cell phones, digital still cameras, portable games, portable global positioning systems or just about any consumer electronic battery-powered system.

Sample and production quantities of the six new uCool™ power MOSFET devices are available now, with lead times of 6 to 8 weeks for larger orders.