ADP122AUJZ-2.7-R7

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The ADP122AUJZ-2.7-R7 is a linear voltage regulator specially designed for high efficiency power applications. It has the capability to maintain outputs from input voltages as low as 2.7V, and can deliver a steady output voltage of 2.7V up to 1.5A. The ADP122AUJZ-2.7-R7 is ideal for a wide range of power supply and industrial control applications, such as powering device memory and providing a low-noise, regulated output voltage.

Application Field and Features of the ADP122AUJZ-2.7-R7

The ADP122AUJZ-2.7-R7 is suitable for a variety of applications with its high efficiency and low noise output. It can provide stable outputs in harsh environments, such as high temperature industrial systems, and is capable of sustaining output voltages up to 1.5A. Other features of the ADP122AUJZ-2.7-R7 include:

• High efficiency: up to 88% efficiency.
• No noise: output voltage is free from noise and ripple.
• Low input voltage: capable of stable output voltages from input voltages as low as 2.7V.
• Output Capacity: capable of delivering 1.5A at up to 2.7V output.
• High temperature: wide operating temperature range of -40℃ to 85℃.
• Excellent safety protections: over temperature, over-current, and over-voltage protection.
• Compact and light package: 2mm x 2mm QFN24-pin with low profile and board size.

The ADP122AUJZ-2.7-R7 is suitable for a wide range of power system applications, including industrial systems, consumer electronics, communication systems, computer peripherals, and automotive applications.

Working Principle of the ADP122AUJZ-2.7-R7

The ADP122AUJZ-2.7-R7 adopts a linear regulator topology known as a low-dropout (LDO) regulator. LDO regulators operate by comparing the output voltage to an internal reference voltage and then controlling the power being delivered to the output. When the output voltage exceeds the reference voltage, the regulator turns off, preventing excessive current flowing into the output. When the output voltage drops below the reference voltage, the regulator turns on, ensuring that the output voltage remains stable, regardless of the input voltage.

To optimize the efficiency of the regulator, the ADP122AUJZ-2.7-R7 utilizes an adaptive biasing technique known as Active Quiescent Current Optimization (AQCO). AQCO reduces the quiescent current draw of the regulator by comparing the output voltage to an internal reference voltage and varying the amount of current being drawn by the regulator based on the difference. This results in higher efficiency and improved thermal performance as the quiescent current is reduced.

Conclusion

The ADP122AUJZ-2.7-R7 is an ideal choice for high efficiency power applications. It has the capability to maintain outputs from input voltages as low as 2.7V, and can deliver a steady output voltage of 2.7V up to 1.5A. With its high efficiency, low input voltage, and excellent safety protection, the ADP122AUJZ-2.7-R7 is suitable for a wide range of power applications. Its low quiescent current draw and adaptive biasing technique also makes it an efficient and reliable solution for powering sensitive systems.

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