AP2122AK-2.8TRE1

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AP2122AK-2.8TRE1 is a linear voltage regulator that belongs to PMIC (Power Management IC) category. It is mainly used to manage the voltage levels and maintain a stable power supply while providing protection from overvoltage and overcurrent. The device is designed to regulate output voltage from a wide range of supply voltages and its output voltage is adjustable between 2.8V to 6V with output current up to 1.5A.

The AP2122AK-2.8TRE1 has a wide range of applications in a variety of power systems. It is commonly used in mobile devices, digital cameras, laptops and other handheld devices which require precise voltage regulation, as well as portable data transmission, instrument power supply, motor power management and LED lighting systems.

The operating principle of this linear voltage regulator is simple and straightforward. It consists of three main parts: an input voltage source, a regulator, and an output voltage device. The input voltage source is typically a battery or an internal power supply. The regulator consists of two transistors and a few lightly doped silicon diodes, which serve as a switch between input and output voltage lines. These transistors and diodes act as a voltage regulator by rationing out the voltage difference between input and output lines. Finally, the output voltage device is something like a device or a resistive load that needs to be regulated.

The AP2122AK-2.8TRE1 also contains a safety feature, as it will shut down when the output voltage reaches its upper limit. The device has a low dropout voltage of 0.7V and a low quiescent current of 15μA, making it suitable for battery-powered applications. It is also efficient, with typical efficiency greater than 90%. The device is also protected against short circuit and overvoltage conditions.

Overall, the AP2122AK-2.8TRE1 is a practical and reliable voltage regulator for a variety of applications. It has a wide input voltage range and adjustable output voltage and current, making it suitable for a variety of different applications. The device is also robust, with a shut-down protection feature, low dropout voltage, low quiescent current, and high efficiency. These features make the AP2122AK-2.8TRE1 an ideal choice for a wide range of power systems.

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