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MIC2529

Micrel Semiconductor
Part Number MIC2529
Manufacturer Micrel Semiconductor
Description Single-Channel USB Power Controller Advance Information
Published Mar 26, 2005
Detailed Description MIC2529 Micrel MIC2529 Single-Channel USB Power Controller Advance Information General Description The MIC2529 is a h...
Datasheet PDF File MIC2529 PDF File

MIC2529
MIC2529

Overview
MIC2529 Micrel MIC2529 Single-Channel USB Power Controller Advance Information General Description The MIC2529 is a high-side power switch optimized for selfpowered (individual port switching) and bus-powered (ganged port switching) Universal Serial Bus (USB) hub applications.
An on-board voltage regulator provides the 3.
3V supply voltage needed for many USB microcontrollers reducing board component count.
The MIC2529 satisfies the following USB requirements: it supplies up to 500mA as required by USB downstream devices; the switch’s low on-resistance meets USB voltage drop requirements; fault current is limited to typically 750mA, well below the UL 25VA safety requirement; and a flag output is available to indicate fault conditions to the local USB controller.
Soft start eliminates the momentary voltage drop on the upstream port that may occur when the switch is enabled in bus-powered applications.
A low-dropout (LDO) regulator provides 3.
3V at loads up to 100mA and includes an ena...


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