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Fault protection switch includes current fold-back

Posted: 19 Jan 2011 ?? ?Print Version ?Bookmark and Share

Keywords:fault protection switch? current fold-back?

Supertex, provider of high voltage analog and mixed signal integrated circuits, has introduced FP0100, a fault protection switch with current fold-back that guards against over-current or short circuit.

The switch targets applications in which downstream circuit protection is needed, such as high side switches, instrumentation, and data acquisition. As the first in a family of fault protection devices, the FP0100 features a low on resistance of 4.0? typical. The peak current allowed to pass through the switch is set by an external resistor, programmable to 260mA. In its off state, the switch can withstand input voltages up to 100V. Alternatively, it can be combined with a MOSFET, such as Supertex DN3545, to withstand inputs up to 450V.

RoHS compliant FP0100 is available in a SOT-89 package (FP0100N8-G). Pricing is US$0.95 each for the FP0100N8-G in 1K quantities, with lead-time of 4-6 weeks ARO for production quantities.

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