NCP170AMX250GEVB

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The NCP170AMX250GEVB Evaluation Board is designed to provide designers with the opportunity to evaluate the performance of the NCP170A linear voltage regulator. It is part of the Linear Voltage Regulators evaluation boards. This device offers a wide range of features including low quiescent current, low dropout, high efficiency and high slew rate.

Description

The NCP170AMX250GEVB is a linear voltage regulator designed for use in a wide variety of applications. It features a step-down regulator with an adjustable output voltage. The NCP170A regulator is an excellent choice for applications in which low quiescent current and low dropout and high efficiency are essential. The device has a wide input voltage range of 4.0V to 44V, and the output voltage can be adjusted between 0.6V and 3.3V with a +/-10% accuracy. In addition, the device has a very low quiescent current of 75µA and a high efficiency of up to 95%. The high efficiency ensures low total losses, resulting in low overall power dissipation.

Features and Benefits

The NCP170AMX250GEVB offers several features and benefits. It has a very low quiescent current of 75μA, which makes it suitable for energy-sensitive applications such as battery-powered devices. The device also has a low dropout voltage of 140mV at 30mA, providing high efficiency even at extremely low input voltages. The high efficiency of up to 95% results in low total losses and low overall power dissipation.

The NCP170AMX250GEVB also offers a wide input voltage range of 4.0V to 44V and an adjustable output voltage between 0.6V and 3.3V with a +/-10% accuracy. The device also has a very high slew rate of 500V/μs, which allows for a fast response time. Additionally, the device has built-in protection against current and thermal overload for added reliability. This protection ensures a safer operation for the linear voltage regulator.

Applications

The NCP170AMX250GEVB is suitable for a wide range of applications, including automotive, industrial, consumer, and communication applications. The device is well suited for energy-sensitive electronics, such as battery-powered devices, and low dropout regulators, as well as any other application that requires a low quiescent current and high efficiency. Additionally, the fast slew rate and built-in protection features make it an excellent choice for applications which need reliable performance.

Working Principle

The NCP170AMX250GEVB works by utilizing an adjustable it acts as an adjustable resistor, creating a voltage drop across it, which is then used to regulate and control the output voltage. As a result, the NCP170A is able to maintain the output voltage at a constant level, even when the input voltage fluctuates.

The device’s low quiescent current and high efficiency make it ideal for energy-sensitive applications. When the output voltage is below the set value, the NCP170A switches to a higher resistance, increasing the voltage drop across it and thus increasing the output voltage. Conversely, when the output voltage is higher than the set value, the NCP170A switches to a lower resistance, decreasing the voltage drop across it and thus decreasing the output voltage.

Lastly, the NCP170AMX250GEVB has a built-in current and thermal overload protection that helps ensure reliable operation during temperature spikes and surges. This protection further adds to its reliability and makes it an excellent choice for applications which require reliable performance even in extreme temperatures.

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