MIC2004 - Micrel

MIC2004 Fixed Current Limit Power Distribution Switch

MIC2004 and MIC2014 are current limiting, high-side power switches, designed for general purpose power distribution and control in PCs, PDAs, printers and other self-powered systems. MIC2004 and MIC2014’s primary functions are current limiting and power switching. They are thermally protected and will shutdown should their internal temperature reach unsafe l.

Features

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• 70mΩ typical on-resistance 2.5V - 5.5V operating range Pre-set current limit values; 0.5A, 0.8A and 1.2A Load discharge FET Kickstart™ Thermal Protection Under voltage lock-out Low quiescent current Applications
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• USB / IEEE 1394 Power Distribution Desktop and Laptop PCs Set top boxes Game consoles PDAs Printers Docking stations Chargers _________________________________________________________________________________________________________ Typical Application 5V Supply MIC2004 MIC2014 VIN VOUT VBUS D+/D- USB Port ENABLE USB Controller GND VBUS D+/D- USB P.