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NCP81148

ON Semiconductor
Part Number NCP81148
Manufacturer ON Semiconductor
Description Synchronous Buck Controller
Published Jul 31, 2015
Detailed Description NCP81148 Advance Information Synchronous Buck Controller with Auto Power Saving Mode and Built-In LDO NCP81148 is a dua...
Datasheet PDF File NCP81148 PDF File

NCP81148
NCP81148

Overview
NCP81148 Advance Information Synchronous Buck Controller with Auto Power Saving Mode and Built-In LDO NCP81148 is a dual synchronous buck controller that is optimized for converting the battery voltage or adaptor voltage into multiple power rails required in desktop and notebook system.
NCP81148 consists of two buck switching controllers with fixed 5.
0 V output on channel 2, 3.
3 V on channel 1 and two on−board LDOs with three outputs: 5 V / 60 mA and 3.
3 V or 12 V / 10 mA.
NCP81148 supports high efficiency, fast transient response and provides power good signals.
ON Semiconductor proprietary adaptive−ripple control enables seamless transition from CCM to DCM, where converter runs at reduced switching frequency with much higher efficiency at light load.
The part operates with supply voltage ranging from 5.
5 V to 28 V.
NCP81148 is available in a 28−pin QFN package.
Features • Wide Input Voltage Range: from 5.
5 V to 28 V • Built−in 5 V / 60 mA LDO • Built−in selectable 3.
3 V or 12 V / 10...


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