NCV8163ASN270T1G

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NCV8163 is a 8A Synchronous Step-Down Regulator which is embedded with an Integrated MOSFET for improved efficiency. This makes it suitable for automotive, consumer and industrial applications, where power consumption and low heat dissipation are of primary importance.

The device employs a fixed frequency peak current mode control topology, providing excellent line and load transient response as well as good light-load efficiency. It operates from a supply voltage range of 4.5 Vin to 40Vin, and provides an adjustable output voltage range of 0.8V to 5V. The internal synchronous MOSFET architecture allows high efficiency operation with low power dissipation under all loads. Soft-start and precision enable functions are provided, and a power-good output is available to indicate power-good state.

The NCV8163ASN270T1G can be used in many different applications, including: battery charging systems, point-of-load (POL) regulators, general-purpose power supplies, automotive motor and lighting control systems, and telecom power supplies. It can also be used in power systems that need to operate in hostile environments, such as in automotive and industrial applications.

The working principle of the NCV8163ASN270T1G is relatively simple. It utilizes a peak current mode control architecture, which controls the internal power MOSFET in order to regulate the voltage output. The operating frequency of the device is fixed, and is determined by an external resistor and capacitor connected to the RT/CT pin. The enable pin is used to control the enable state of the device, and the power-good output pin indicates the power-good state of the device. When the enable pin is pulled low, the NCV8163ASN270T1G is disabled and no output is delivered. The soft-start pin is used to minimize the input inrush currents at turn-on, and it also reduces the output overshoot and undershoot of the regulator. The switching frequency, input voltage, output voltage, etc. can be adjusted and programmed via an external resistor for improved performance.

In summary, the NCV8163ASN270T1G is an efficient, 8A Synchronous Step-Down Regulator and is suitable for many automotive, consumer and industrial applications where low power consumption and small heat dissipation are essential. The device features a peak current mode control architecture, and is capable of providing adjustable output voltage range of 0.8V to 5V. In addition, the device is equipped with several features such as a power-good output pin, a soft-start pin, and an enable pin. All of these features make the NCV8163ASN270T1G an ideal device for power systems that require performance in hostile environments.

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