AAT3221IJS-2.6-T1

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The AAT3221IJS-2.6-T1 is a linear voltage regulator from Skyworks Solutions, Inc. It is a low-dropout fixed output voltage regulator which is capable of supplying up to 250 mA of output current from an input voltage between 1.8V and 6V. The output voltage is adjustable in 0.1V increments between 1.6V and 3.3V and is well suited for battery-powered systems.

The device is designed to optimize the power consumption, size and cost in applications that demand stable and tight tolerances in output voltage regulation. In addition to the high power capability, the device features a low dropout voltage of 0.7V at 250 mA output current and has a low quiescent current of 1µA. This makes it well suited for use with battery back-up systems where low quiescent current is crucial to extending the battery life.

The AAT3221IJS-2.6-T1 is a simple two-terminal regulator. Its input and output terminals are connected externally to the input and output lines and provide simple and efficient operation. The output voltage of this device is set by selecting external resistors that are connected between the voltage feedback pins on the device. By simply selecting the appropriate external resistors, the output voltage can be set as required for a wide variety of applications.

As a linear regulator, the AAT3221IJS-2.6-T1 incorporates a linear regulator circuit which is capable of regulating the output voltage in response to changes in both the input and output voltages. The output voltage is controlled by comparing the input voltage to a nominal reference voltage set by an external resistor. The output voltage is then driven to the value established by the reference, provided the output stays within the operating limits of the device.

The AAT3221IJS-2.6-T1 is ideal for use in systems that require the regulated voltage to remain stable even if the input voltage fluctuates. It can be used in a variety of applications, such as powering portable electronics, providing a stable bias voltage for ICs and discrete circuits, and in battery-backup systems. Furthermore, as a linear voltage regulator, it offers superior thermal stability, low noise, and low output impedance, which is not always achievable with switching regulators.

In addition, the device incorporates an over-temperature protection circuit which ensures that the output voltage is maintained within a safe range. Furthermore, it is equipped with the standard protection circuitry including over-current and over-voltage protection. This makes the device very reliable in the presence of high operating temperature variations.

The AAT3221IJS-2.6-T1 is an excellent choice for applications that require superior regulation accuracy over a wide input range and low quiescent current. Its use in portable electronics and battery-backup systems is recommended due to its low cost, low-dropout voltage and simple two-terminal operation. With its wide adjustable output range, low quiescent current and over-temperature protection, the AAT3221IJS-2.6-T1 is an excellent choice for a wide range of linear voltage regulators.

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