ADP122ACPZ-2.5-R7

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Linear regulators are devices that are used to maintain a specific voltage within a desired range. The ADP122ACPZ-2.5-R7 is a three-terminal, low-dropout (LDO) linear regulator. It is an adjustable, low noise, low-power regulator for use with existing engineering designs. This article will discuss the application fields and working principles of the ADP122ACPZ-2.5-R7.

The ADP122ACPZ-2.5-R7 is designed for a wide range of applications, from consumer electronics to automotive systems. It has a wide operating temperature range from –40°C to 125°C and is suited for a variety of mobile and industrial applications. Since this is a low-dropout regulator, it can provide a stable voltage with supply voltages that are slightly lower than the output voltage. This makes it suitable for applications where the required output voltage is near or above the supply voltage.

The working principle of the ADP122ACPZ-2.5-R7 is based on the negative feedback loop principle. The input voltage is compared to the reference voltage and an error signal is generated. This error signal is then amplified by the error amplifier. The output of the error amplifier is then fed to the pass transistor, controlling its current flow. The output voltage is then regulated by controlling the current flow of the pass transistor.

The ADP122ACPZ-2.5-R7 has several short-circuit protection features to prevent overcurrent damage. It also has an overtemperature protection which will shut off the device when the internal temperature of the chip exceeds 125°C. Additionally, it has a ripple rejection of better than 40dB, ensuring smooth and clean output power.

The ADP122ACPZ-2.5-R7 is also designed to have low noise and an adjustable output voltage from 0.6 to 6V with a current capability of up to 200mA. This makes it suitable for a variety of applications, such as portable electronics, LCD, GPS, and audio amplifier circuits. Furthermore, it is RoHS compliant, making it a popular choice for many environments.

In conclusion, the ADP122ACPZ-2.5-R7 is a three-terminal, low-dropout linear regulator developed for a wide range of applications. It is suitable for use in portable or automotive systems, featuring robust protection features and adjustable output voltage. The device has excellent ripple rejection and low noise and is RoHS compliant. With all its features, the ADP122ACPZ-2.5-R7 is an excellent choice for a variety of demanding application requirements.

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