NCV7808ABD2TR4G

Voltage Dropout (Max):	2V @ 1A (Typ)
Supplier Device Package:	D2PAK
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	62dB (120Hz)
Current - Quiescent (Iq):	6mA
Current - Output:	1A
Series:	Automotive, AEC-Q100
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	8V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NCV7808ABD2TR4G Application Field and Working Principle

NCV7808ABD2TR4G is a linear voltage regulator from ON Semiconductor that is used for a wide range of application scenarios. The device is an ideal motor power supply that provides a regulated voltage to electrical motors while also providing over-voltage and under-voltage protection. It offers both step-down and step-up output voltage regulation and can provide current up to 8.1A. Furthermore, the device also offers protection against over-voltage, over-current, and thermal lapses.

Features

The NCV7808ABD2TR4G offers several features that make it ideal for use in motor power supplies and other applications. The device has a wide input voltage range (2V to 40V) and provides a regulated output voltage of either 5V or 12V. The device also features an integrated short-circuit protection, over-voltage protection, over-current protection, under-voltage protection, and thermal sense protection. The device also includes an on/off control feature, as well as a power-good indicator. Additionally, the device has a high efficiency rating of up to 93%, making it ideal for use in low-noise and energy-efficient applications.

Application Field

The NCV7808ABD2TR4G is specifically designed for motor power supplies, and is particularly well-suited for use in brushless DC motors, stepper motors, and gear motors. It can also be used in applications such as power adapters and automotive electronics, as it provides current protection against over-current and over-voltage. Additionally, its thermal sense protection also helps protect against thermal overloads in these applications.

Working Principle

The NCV7808ABD2TR4G is a linear voltage regulator, which means it is designed to regulate the output voltage of the device. The device works by using an internal voltage reference, which is compared to the input voltage to determine the output voltage. When the input voltage is greater than the voltage reference, the device will step down the voltage and regulate it to meet the voltage reference. Similarly, when the input voltage is less than the voltage reference, the device will step up the voltage and regulate it to meet the voltage reference.The device also provides protection against over-voltage, over-current, under-voltage, and thermal lapses. When the device\'s output voltage exceeds its maximum operating voltage, the device will shut off, protecting against any further damage. Similarly, when the output current exceeds the device\'s maximum current, the device will shut off, protecting against any further damage. The thermal sense protection feature helps protect the device against thermal overloads, and the on/off control feature allows the user to control the device\'s power-on and power-off state.

Conclusion

The NCV7808ABD2TR4G is an ideal linear voltage regulator for use in motor power supplies and other applications. It provides a wide input voltage range, high efficiency operation, integrated protection features, and a power-good indicator. It is also designed to provide protection against over-voltage, over-current, and thermal lapses, making it ideal for use in automotive electronics and other applications. Furthermore, its step-down/up output voltage regulation capability makes it well-suited for use in brushless DC motors, stepper motors, and gear motors.

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