NCP4682DSQ15T1G

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The NCP4682DSQ15T1G is an adjustable, low-dropout (LDO) linear voltage regulator from ON Semiconductor. It is designed to provide a regulated voltage supply with fast transient response, low noise, and low quiescent current for general-purpose applications. The device also features an enable input that allows the device to be switched on/off, making it a suitable choice for projects that require precise voltage control. As a PMIC (power management integrated circuit) device, the NCP4682DSQ15T1G is well-suited to a wide range of power management applications including in process control, data communication, instrumentation, and battery-powered equipment. In this article, we will take a look at the features, applications and working principles of the NCP4682DSQ15T1G.

Features

The NCP4682DSQ15T1G is a low-dropout linear voltage regulator that offers a regulated output of 1.5V to 11.8V with 18 mA of output current at an operating temperature range of -40°C to +85°C. Its key features include low dropout voltage (typically 65mV at 10 mA output current), an enable pin to disable the regulator when activated, a wide input voltage range of 2.0V to 20V, fast transient response, and low quiescent current. It also has a wide range of protection features, including over-voltage protection, short circuit protection, thermal overload protection and reverse current protection. This makes the NCP4682DSQ15T1G suitable for a wide range of power management applications.

Applications

The NCP4682DSQ15T1G is well-suited for a variety of power management applications such as consumer electronics like smartphones, tablet PCs and digital cameras, industrial control systems and medical equipment. It is also suitable for automotive and automotive applications thanks to its fast transient response and low quiescent current. The device features various protection features such as over-voltage protection, short circuit protection and reverse current protection, which makes it suitable for a wide range of applications.

Working Principle

The NCP4682DSQ15T1G is an adjustable, low-dropout linear voltage regulator. It is built around an error amplifier, a voltage reference, and a series pass device, which together form the control loop. The error amplifier is used to compare the output voltage with the reference voltage. If the difference between the two is higher than the specified limit, then the amplifier will decrease or increase the pass device’s current (depending on whether the output voltage is too high or too low). This current is then regulated through the pass device and the output voltage is then adjusted accordingly.

With the enable pin in the low state, the device will be disabled, drawing extremely low power. When the enable pin is set to the high state, the device will activate and provide the regulated output voltage.

The NCP4682DSQ15T1G is an excellent choice for a wide range of general-purpose power management applications. Its low drop-out voltage, low quiescent current and fast transient response make it well-suited to applications that require precise voltage control. Furthermore, its various protection features, including over-voltage protection, short circuit protection and reverse current protection, make it suitable for a wide range of applications.

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