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CMPWR280

ON Semiconductor
Part Number CMPWR280
Manufacturer ON Semiconductor
Description Dual Input SmartOR Power Switch
Published Feb 11, 2016
Detailed Description CMPWR280 Dual Input SmartORt Power Switch Product Description The ON Semiconductor’s SmartORt CMPWR280 is a fully protec...
Datasheet PDF File CMPWR280 PDF File

CMPWR280
CMPWR280

Overview
CMPWR280 Dual Input SmartORt Power Switch Product Description The ON Semiconductor’s SmartORt CMPWR280 is a fully protected Dual−Input low−dropout CMOS regulator that also provides the necessary control signal for driving an external auxiliary P−channel MOSFET switch.
The SmartORt device automatically selects one of three possible inputs on a priority basis: VCC (1.
5 A), VSBY (375 mA) or VAUX via the drive signal used to control an external switch.
VCC is given first priority.
In the event of the VCC supply being powered down, the device will automatically deselect the VCC prior to regulator dropout and immediately select VSBY (second priority) as its power source.
If neither VCC nor VSBY ar...


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