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NCP1422

Part Number	NCP1422
Manufacturer	ON Semiconductor
Description	Sync-Rect PFM Step-Up DC-DC Converter
Published	Jan 16, 2007
Detailed Description	NCP1422 Boost Converter - Sync-Rect, PFM, DC-DC, True-Cutoff, Ring-Killer 800 mA NCP1422 is a monolithic micropower hig...
Datasheet	NCP1422 PDF File

Overview

NCP1422 Boost Converter - Sync-Rect, PFM, DC-DC, True-Cutoff, Ring-Killer 800 mA NCP1422 is a monolithic micropower high−frequency step−up switching converter IC specially designed for battery−operated hand−held electronic products up to 800 mA loading.
It integrates Sync−Rect to improve efficiency and to eliminate the external Schottky Diode.
High switching frequency (up to 1.
2 MHz) allows for a low profile, small−sized inductor and output capacitor to be used.
When the device is disabled, the internal conduction path from LX or BAT to OUT is fully blocked and the OUT pin is isolated from the battery.
This True−Cutoff function reduces the shutdown current to typically only 50 nA.
Ring−Kill...

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