NCV8440ASTT1G Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
FET Type:	N-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	59V
Current - Continuous Drain (Id) @ 25°C:	2.6A (Ta)
Drive Voltage (Max Rds On, Min Rds On):	3.5V, 10V
Rds On (Max) @ Id, Vgs:	110 mOhm @ 2.6A, 10V
Vgs(th) (Max) @ Id:	1.9V @ 100µA
Gate Charge (Qg) (Max) @ Vgs:	4.5nC @ 4.5V
Vgs (Max):	±15V
Input Capacitance (Ciss) (Max) @ Vds:	155pF @ 35V
FET Feature:	--
Power Dissipation (Max):	1.69W (Ta)
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA

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The NCV8440 is a high-frequency logic level N-Channel enhancement-mode MOSFET with a low on-resistance of 53.3mΩ⋅mm² (@4.5V VGS). This MOSFET is ideal for automotive power and signal switching applications, being able to drive large capacitive and inductive loads. The NCV8440 is composed of a drain terminal, a source terminal, and a gate terminal. The drain and source terminals are used to provide the switching path for the electrical current, while the gate terminal acts as a control signal for the conduction of the current. When a voltage is applied to the gate terminal, it turns the MOSFET “ON”, enabling current to flow between drain and source based on the voltage applied to the gate terminal. When there is no voltage applied to the gate terminal, the current will not flow. The NCV8440 can be used in a wide range of applications such as automotive motor controllers, power supplies, UPS systems, and DC to DC converters. It can also be used to control the current in a high performance automotive fan motors, lighting systems, power amplifiers, and HVAC systems. When used in motor controllers, the NCV8440 is able to turn ON and OFF the motor power through the use of a gate control signal, ensuring a consistent speed and torque. This provides precise control of the motor’s output power, making it ideal for use in medical application and production line automation systems. In power amplifier applications, the NCV8440 is able to reduce the power losses that occur when the amplifier is in operation by reducing the flow of current when the amplifier is not in use. This helps to increase the efficiency of the power amplifier, making it more cost-efficient when used in a variety of audio visual applications. The NCV8440 can also be used in DC-to-DC converters, allowing it to supply current during low-battery conditions, protecting the system from overvoltage conditions. The MOSFET is also able to minimize power loss when there is a short-circuit in the system, as it can shut off the current immediately in order to prevent further damage. Overall, the NCV8440 is a great MOSFET for automotive and audio-visual applications, providing an excellent current flow capabilities with an optimal switching time and inexpensiveness. As a result, it can be used in motor controllers, power supplies, UPS systems, and DC to DC converters. It is also able to provide minimal power losses in a variety of audio visual applications, making it extremely popular in the automotive industry.

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