MCP1824T-2502E/DC

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PMIC, or Power Management Integrated Circuits, are an integral part of modern electronic systems in a wide range of applications such as computer, communications, and consumer electronics. Voltage Regulators are an important function within the PMIC and Linear Voltage Regulators are one of the basic types with a simple working principle: a voltage output is regulated according to a reference voltage. The MCP1824T-2502E/DC is a low-noise, low-dropout linear voltage regulator from Microchip Technology Inc. and is suitable for many applications.

Features of MCP1824T-2502E/DC

The MCP1824T-2502E/DC is a low-dropout, adjustable linear regulator with a maximum input voltage of 20 V. The minimum output voltage is 0.9 V and the maximum output current is 250 mA. It features low-noise operation (50 µVrms typical) and low quiescent current of 110 µA with excellent ripple rejection (50 dB minimum).

It has a power-saving mode, triggered by an input pin and well-suited for battery-powered systems. When enabled, the power-saving mode reduces the quiescent current to 10 µA. The MCP1824T-2502E/DC also features an enable pin which makes this device suitable for multiplex applications.

Applications of MCP1824T-2502E/DC

Due to its low-noise performance and flexibility, the MCP1824T-2502E/DC linear regulator is perfect for use in a wide variety of applications such as digital cameras, PDAs, and other microprocessor-based systems. It is also suitable for use in telecommunications applications, industrial applications, and battery-operated products. The adjustable output voltage also makes it suitable for low-voltage bias and reference voltage applications.

Working principle of MCP1824T-2502E/DC

The MCP1824T-2502E/DC linear regulator is based on a simple regulator circuit consisting of an error amplifier, a pass element (MOSFET), and a compensation circuit. The output voltage of the regulator is determined by the reference voltage. The error amplifier compares the output voltage to the reference voltage and corrects the output voltage when it deviates from the reference. The pass element, in this case a MOSFET, adjusts the output voltage in relation to the output from the error amplifier. The internal compensation circuit tunes the loop of the error amplifier to ensure stable operation. The device also includes various protection mechanisms to ensure reliable operation, such as over temperature protection, over voltage protection, over current protection, and short-circuit protection.

Conclusion

The MCP1824T-2502E/DC is an economical, low-noise linear voltage regulator with many features, such as low quiescent current, power-saving mode, and over temperature protection, that make it ideal for a wide range of applications. Its adjustable output voltage also makes it suitable for low-voltage bias and reference voltage applications. With its simple and reliable design, the MCP1824T-2502E/DC is a great solution for many applications.

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