NCV4279BDWG

Current - Output:	150mA
Base Part Number:	NCV4279B
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Reset
PSRR:	--
Current - Supply (Max):	125µA
Current - Quiescent (Iq):	19µA
Series:	--
Voltage Dropout (Max):	0.6V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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The NCV4279BDWG is a Linear Voltage Regulator (PMIC) manufactured by ON Semiconductor. It is designed to provide low-noise (low input voltage noise density down to 4.3nV/√Hz) and low-dropout operation in distributed power systems. The device offers improved performance over conventional solution and is suitable for use in applications where line or load regulations must be maintained.The NCV4279BDWG is a low output voltage, low voltage drop out, low power linear voltage regulator. It features adjustable output voltages from 1.5 V to 6 V, with a maximum output current of 1 A and an input voltage range from 2.3 V to 6 V. It is capable of delivering an accurate output voltage even at very low input voltages with a maximum drop-out voltage of 250 mV. The device operates over an extended temperature range of -40°C to +125°C.The NCV4279BDWG operates by controlling the base current of a pass transistor. The output voltage is regulated by a constant current source and a sample-and-hold circuit that allows for the gain of the amplifier to be adjusted. The amplifier feeds back the output voltage to the input pin of the constant current source to maintain a constant output voltage.The NCV4279BDWG also features over-temperature protection, which protects the device from thermal overload. The device is available in a space-efficient SOT-223 package, making it ideal for applications where printed circuit board space is limited.The NCV4279BDWG is suitable for a wide range of applications, such as Voltage Reference, Adjustable Supplies and Voltage Regulation. It is typically used in distributed power systems, automotive applications, embedded systems, networking systems and other embedded applications. The device is also used in a variety of portable and mobile applications, such as cell phone, laptop and mobile PCs, cellular phone base stations and GPS receivers.The linear voltage regulators, such as the NCV4279BDWG, offer excellent power efficiency, low noise and low input voltage drop out, making them ideal for applications where line or load regulations must be maintained. The device also provides excellent PSRR, making it suitable for noisy power environments.In conclusion, the NCV4279BDWG is a low output voltage, low voltage drop out, low power linear voltage regulator from ON Semiconductor. It is designed to provide low-noise and low-dropout operation in distributed power systems. The device features adjustable output voltages from 1.5V to 6V, an input voltage range from 2.3V to 6V, and a maximum output current of 1A. It is suitable for a wide range of applications, such as voltage reference, adjustable supplies and voltage regulation. Also, it is available in a space-efficient SOT-223 package and provides excellent PSRR, making it ideal for noisy power environments.

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