NCP603SN180T1G

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NCP603SN180T1G is a linear voltage regulator manufactured by ON Semiconductor. It is designed to provide cost-efficient, high-performance current monitoring, overvoltage protection and management of power supplies for a wide range of consumer and industrial applications. The regulator is capable of controlling output voltage up to 18V, current up to 300mA and having a dropout voltage from a maximum of 700mV. This regulator provides a wide operating temperature range to suit different application requirements.

This device is an ideal choice for applications requiring high-efficiency linear regulators for space-constrained power supplies. It is suitable for battery-powered systems, such as portable gaming devices and mobile phones, as well as automotive and commercial applications. The regulator features two external terminals, one for adjusting the output voltage and the other for setting the current limit. It is also capable of providing thermal protection and can operate over a wide temperature range.

The working principle of NCP603SN180T1G linear voltage regulator is based on the operation of the NPN transistors to regulate the output voltage. The regulator consists of two bipolar transistors functioning as a current mirror, with one acting as a base and the other as the emitter. When a voltage is applied to the base, current flows between the emitter and the collector, and this current can be controlled by the voltage applied to the base. In order to limit the current to a predetermined amount, the base voltage is compared with a reference voltage (Vref) and adjusted accordingly. The output voltage is then regulated by the voltage difference between the base and the collector.

The NCP603SN180T1G linear voltage regulator is a versatile and cost-effective device for applications requiring high accuracy of output voltage and current. Its features make it suitable for low-power, cost-sensitive designs, and its wide operating temperature range ensures reliable operation in extreme conditions. It is ideal for a wide range of power management applications, from portable devices to motor control and communication systems.

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