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MIC2004

Micrel
Part Number MIC2004
Manufacturer Micrel
Description Fixed Current Limit Power Distribution Switch
Published Jun 12, 2010
Detailed Description MIC2004/2014 Fixed Current Limit Power Distribution Switch www.DataSheet4U.com General Description MIC2004 and MIC2014 ...
Datasheet PDF File MIC2004 PDF File

MIC2004
MIC2004

Overview
MIC2004/2014 Fixed Current Limit Power Distribution Switch www.
DataSheet4U.
com General Description 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 levels, protecting both the device and the load, under high current or fault conditions.
MIC2004/2014 feature a load discharge FET which ensures any output capacitance is discharged when the switch is turned off.
This is particularly useful in hot-swapping applications where ‘cold’ connections are desired.
Both devices are fully self-contained, with the current limit value being factory set to one of several convenient levels.
MIC2014 offers a unique new feature: Kickstart™, which allows momentary high current surges to pass unrestricted without sacrificing overall system safety.
MIC2004 and MIC2014 are excellent choices for USB and IEEE 1394 (FireWire) applications or for any system where current limiting and power control are desired.
The MIC2004 and MIC2014 are offered in space saving 6 pin SOT-23 and 2mm x 2mm MLF packages.
Data sheets and support documentation can be found on Micrel’s web site at www.
micrel.
com.
Features • • • • • • • • 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 • • • • • • • • 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...


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