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/Title (Boost Converter Sync-Rect, PFM, DC-DC, True-Cutoff, Ring-Killer 400 mA)
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BroadVision, Inc.
2020-09-16T12:17:16+02:00
2019-08-15T13:52:51+08:00
2020-09-16T12:17:16+02:00
application/pdf
Boost Converter Sync-Rect, PFM, DC-DC, True-Cutoff, Ring-Killer 400 mA
ON Semiconductor
NCP1423 is a monolithic micropower high frequency step−up
switching converter IC specially designed for battery operated
hand−held electronic products. It integrates Synchronous Rectifier for
improving efficiency as well as eliminating the external Schottky
Diode. High switching frequency (up to 600 kHz) allows low profile
inductor and output capacitor being used. When the IC is disabled
internal conduction path from LX or BAT to OUT is blocked
OUT pin
is isolated from the battery. This achieves True−Cutoff. Ring−Killer is
also integrated to eliminate the high frequency ringing in discontinuous
conduction mode. Low−Battery Detector
Cycle−by−Cycle Current
Limit
Overvoltage Protection and Thermal Shutdown provide
value−added features for various battery operated application. With all
of these functions ON
the quiescent supply current is only 9.0
A. This
device is available in compact Micro10 package.
Acrobat Distiller 19.0 (Windows)
NCP1423 is a monolithic micropower high frequency step−up
switching converter IC specially designed for battery operated
hand−held electronic products. It integrates Synchronous Rectifier for
improving efficiency as well as eliminating the external Schottky
Diode. High switching frequency (up to 600 kHz) allows low profile
inductor and output capacitor being used. When the IC is disabled,
internal conduction path from LX or BAT to OUT is blocked, OUT pin
is isolated from the battery. This achieves True−Cutoff. Ring−Killer is
also integrated to eliminate the high frequency ringing in discontinuous
conduction mode. Low−Battery Detector, Cycle−by−Cycle Current
Limit, Overvoltage Protection and Thermal Shutdown provide
value−added features for various battery operated application. With all
of these functions ON, the quiescent supply current is only 9.0 A. This
device is available in compact Micro10 package.
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