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Load switches boast low switch-on at 1.2V

Posted: 20 Apr 2011 ?? ?Print Version ?Bookmark and Share

Keywords:on-resistance? load switch? TDFN4 package? SC70-6 package? TDFN8 package?

Vishay Intertechnology Inc. unveils three single and dual 2A load switches designed for 1.1V每5.5V operation. Offering low switch on-resistance at 1.2V, the SiP32411, SiP32413, and SiP32414 feature a controlled soft turn-on slew rate of 150?s typical that limits the inrush current, providing a controlled, smoother turn-on transition that minimizes switching noise.

The SiP32411 is a single switch available in both the 1.2x1.6mm TDFN4 package and the SC70-6 package, while the SiP32413 and SiP32414 are dual switches available in the 2x2mm TDFN8 package. The load switches promise low switch on-resistance of 66m次 at 1.2V input (105m次 for the SiP32411 in the SC70-6 package), with each switch supporting over 2A of continuous current.

The SiP32411, SiP32413, and SiP32414 feature a low-voltage control logic interface that eliminates the need for extra level shifting circuitry. The devices offer a low quiescent current of The two load switches in the SiP32413 feature reverse control logic. The device can easily be configured as a two-to-one power source, routing two power rails of different potentials to the common load point. The SiP32414 consists of two load switches of the same logic, and is ideal for loads with dual power rails.

The SiP32411, SiP32413, and SiP32414 can be used in USB, SIM, SDIO, POL, RF, and WiFi module load applications in wireless modems and portable devices, including netbooks and notebook computers, cellphones, GPS products, digital cameras, and eBooks. The devices are compliant to RoHS Directive 2002/95/EC and halogen-free according to the IEC 61249-2-21 definition.

Samples of the new load switches are available now. Production quantities will be available in May, with lead times of 10 weeks for larger orders.

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