SG7912AT

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SG7912AT is a Linear Voltage Regulator offered in PMIC (Power management Integrated Circuit) semiconductor family. It is an adaptive voltage regulator designed to provide higher output current and faster transient response during load changes.

The SG7912AT series is optimized for applications with pre-regulated voltage sources. It is a low-noise and low-distortion regulator that can manage up to 0.5A from a single output rail. It also has an adjustable voltage output ranging from 1.5V to 15V, making it useful for most power save applications.

The SG7912AT is offered in SOT-23 and SOT-89 packages and it is guaranteed to operate over the -40°C to +85°C junction temperature range. This device is great for applications with high performance requirements, such as battery-operated systems, medical, mobile and embedded systems.

SG7912AT features a low-dropout (LDO) linear regulator, meaning that it can maintain accurate output voltages and currents without sacrificing significant output power. It requires a source voltage of only 1V above the output voltage and is capable of providing regulated high-currents to applications with thicker metal cases. It also features current-limit protection and thermal shutdown protection, keeping applications safe from shorts and overloads.

The application field of SG7912AT includes powering up an embedded system, such as an MCU and a driver, from a single supply, or providing a stable output voltage for noise-sensitive application. Its adjustable voltage range also allows for different voltage options for the same board. In addition, the low dropout voltage and higher current output makes the SG7912AT an ideal regulator for battery-powered systems.

The working principle of SG7912AT is simple to understand. It takes a varying input voltage and converts it to a steady DC voltage at the output. This is achieved through an internal pass transistor, which is connected between the input and the output. When the current passes through the pass transistor, it is regulated by a feedback loop and compared to the voltage reference. The output voltage of the regulator is then adjusted accordingly, providing a precisely regulated output current.

The SG7912AT Linear Voltage Regulator is a great choice for modern electrical systems. It is able to provide a precise and stable output voltage with minimal noise and distortion. Its adjustable voltage range also allows for better efficiency and performance in applications where multiple voltages are required. Furthermore, its low-dropout feature makes it a reliable and energy-efficient choice for battery-operated systems.

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