Components

Siliconix Announces New Series of TrenchFETs

Siliconix Inc. (Santa Clara, CA) announced a series of new TrenchFETs. Housed in Little Foot SC-89 and SC-75 packages, the new devices serve as a replacement for the digital bipolar transistors used for simple or light-load switching in portable communications systems, computer motherboards, power supply converter circuits and battery-operated equipment.

Devices in the three-pin Little Foot SC-89, with a footprint area measuring 1.6 x 1.6 x 0.6mm, include the Si1012X, a single N-channel 20V TrenchFET with on-resistance of 1.25ohms at a 1.8V gate drive. Siliconix claims that this device improves on existing industry standards with a 500mA steady-state continuous-drain circuit. It features a 5ns turn-on time.

Siliconix has also released a dual-channel version of the Si1012X, called the Si1024X. This device combines two MOSFETs in a six-pin Little Foot SC-89 package that has the same specification per channel as the Si1012X. It is also the same size as the Si1012X.

Along with the Si1012X and Si1024X, the company plans to soon release more than a dozen additional 20V MOSFETs in the SC-89 and SC-75 packages, including N- and P-channel devices. Maximum on-resistance ratings for these devices will range from 0.7 ohms to 9 ohms at a gate-source voltage of ±4.5V. All devices in both package types feature ESD protection.

Siliconix Inc.
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