New Vishay Siliconix 1-A Protected High-Side Load Switch in Compact PowerPAK® TSC75-6 Package Provides User Selectable Current Limit and Fault Flag; Supply Voltage Range of 2.4 V to 5.5 V

(PresseBox) (Malvern, Pennsyvania, ) Vishay Intertechnology, Inc. (NYSE: VSH) today added to its family of current limit protection load switches with the release of a new protected high-side load switch that can operate under a supply voltage range of 2.4 V to 5.5 V and handle a continuous output current of 1 A.

The SiP4613A/B is designed for applications including load switching, battery switching, USB peripheral ports, hot-swapping, and other power management applications in notebook computers, PDAs, and other portable electronics.

A user-defined current limit level protects the input supply voltage from excessive load currents that might cause a system failure. To flag a current fault, the CL pin will go low if the device is operating in a current-limited condition. In shutdown mode, SiP4613A/B reduces the supply current to less than 1 µA.

In addition to the current limit, the SiP4613A/B is protected by undervoltage lockout and thermal shutdown features. The overtemperature protection circuit prevents thermal runaway by turning off the power switch when the chip's junction temperature reaches +165°C, and leaves it off until the temperature drops below +145°C.

Providing the ability to selectively turn on and shut down various system functions, and to switch between power supply sources, there are two versions of the power switch. The SiP4613A has an active low enable input, while the SiP4613B has an active high enable input. Available in the lead (Pb)-free 6-pin PowerPAK® TSC75-6 package, the device operates within the industrial temperature range of -40°C to +85°C.

Samples and production quantities of the new SiP4613A/B load switch are available now, with lead times of eight weeks for larger orders.

Vishay Electronic GmbH

Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, transistors, and optoelectronics and selected ICs) and passive electronic components (resistors, capacitors, inductors, sensors, and transducers). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets. Its product innovations, successful acquisition strategy, and ability to provide "one-stop shop" service have made Vishay a global industry leader. Vishay can be found on the Internet at http://www.vishay.com.

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