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/Title (NCP347 - Positive Overvoltage Protection Controller with Internal Low Ron NMOS FET and Status Flag)
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BroadVision, Inc.
2020-09-22T13:00:53+02:00
2010-05-11T10:10:28-07:00
2020-09-22T13:00:53+02:00
application/pdf
NCP347 - Positive Overvoltage Protection Controller with Internal Low R<sub>on</sub> NMOS FET and Status Flag
ON Semiconductor
The NCP347 is able to disconnect the systems from its output pin
in case wrong input operating conditions are detected. The system is
positive overvoltage protected up to +28 V.
Due to this device using internal NMOS, no external device is
necessary, reducing the system cost and the PCB area of the
application board.
The NCP347 is able to instantaneously disconnect the output from
the input, due to integrated Low RON Power NMOS (65 m ), if the
input voltage exceeds the overvoltage threshold (OVLO) or
undervoltage threshold (UVLO).
At powerup (EN pin = low level), the Vout turns on 50 ms after the
Vin exceeds the undervoltage threshold.
The NCP347 provides a negative going flag (FLAG) output, which
alerts the system that a fault has occurred.
In addition, the device has ESD−protected input (15 kV Air) when
bypassed with a 1.0 uF or larger capacitor.
Acrobat Distiller 8.2.2 (Windows)
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