UC385T-ADJ

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The UC385T-ADJ is an innovative voltage regulator from The Sipex Corporation. It is a linear voltage regulator, part of their PMIC (power management integrated circuit) product range. It provides a wide range of output voltages, suitable for a variety of applications. In this article we will discuss the application field and working principle of the UC385T-ADJ.

Features and Benefits

The UC385T-ADJ is a versatile voltage regulator with a wide range of output voltages. It has an adjustable output voltage range of 1.2V to 25V, making it suitable for most applications. It has a low dropout voltage, allowing it to operate at very low output current. It also has fast transient response, allowing it to respond quickly to sudden changes in the load or input voltage. The device features protection against over-current, over-temperature and overtemperature, keeping it safe from damage in case of an incident. The UC385T-ADJ also comes pin-for-pin compatible with the Sipex S2100 IC. This allows it to be used as a replacement for the S2100 IC.

Application Field

The UC385T-ADJ is designed for various applications such as portable electronics, automotive electronics, industrial and medical electronics, and communication systems. With its adjustable output voltage range, it can be used in applications where the precise output voltage is critical. It is also suitable for applications where a stable and low noise output voltage is required. It can be used in systems that require hot-swapping, since it has a low quiescent current draw and fast transient response. The device is also well-suited for applications where power saving features are required, due to its low voltage dropout and ultra-low noise characteristics.

Working Principle

The UC385T-ADJ works by comparing the output voltage with a reference voltage and adjusting the output voltage to match. It uses feedback control to maintain the desired output voltage. The device is made up of a series of components, which include an adjustable voltage reference, an error amplifier, a power switch, an input voltage divider and an output voltage divider. The adjustable voltage reference is responsible for providing a fixed voltage to the error amplifier, which is compared with the output voltage. The difference between these voltages is then fed to the power switch, which adjusts the input current until the output and reference voltages match. The input voltage divider and output voltage divider ensure that the output voltage is kept constant even at higher input voltage.

The UC385T-ADJ is an efficient and reliable voltage regulator. It is suitable for a wide range of applications, from portable electronics to industrial and medical devices. It offers a stable output voltage, low power consumption, low noise and fast transient response, making it the ideal choice for many applications.

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