ADM7172ACPZ-2.5-R7

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PMIC - Voltage Regulators - Linear are essential components in many electronic devices. From mobile phones to computers, they help regulate the power and ensure that the device runs at the most efficient level. The ADM7172ACPZ-2.5-R7 is one such voltage regulator and has been designed to provide up to two regulated output voltages, adjustable from1.8V to 5.5V.

This voltage regulator is specifically designed for applications in mobile, industrial, computing and consumer products. The small SOT-23 package, along with the ADM7172ACPZ-2.5-R7\'s low quiescent current, makes it perfect for battery-operated equipment. It also offers high power supply rejection and low output noise levels for stable, high-performance operation.

Features

The ADM7172ACPZ-2.5-R7 has a range of key features which provides extraordinary performance. These include:

• 2.5V to 5.5V adjustable input voltage
• Up to two regulated output voltages
• Low quiescent current of only 3.3uA
• High power supply rejection (PSR) of 78dB
• Low output noise voltage of 10uV
• High output impedance of 25 Ohm

Applications

The ADM7172ACPZ-2.5-R7 can be used in a wide range of electronic devices. Its low current and low noise features make it ideal for mobile phones and other handheld devices. It is also suitable for industrial, computing and consumer products, where it will provide reliable and stable performance. Some key applications of this voltage regulator include:

• MP3 players
• Cell Phones
• Digital Cameras
• PDAs
• GPS receivers
• USB-powered devices
• Power amplifiers
• Portable electronic instruments
• Robotic products

Working Principle

The ADM7172ACPZ-2.5-R7 voltage regulator works by controlling the current flow through its components. This regulator outputs the desired voltage, which is determined by the application requirements. The regulator is comprised of two main parts: an error amplifier and a series pass element.

The error amplifier responds to a control signal, usually generated by a processor or microcontroller. As the output voltage changes, the error amplifier adjusts to maintain the desired voltage. The series pass element allows the voltage regulator to draw current from the power source, while the error amplifier adjusts the current flow. The output current is limited by the series pass element, so the voltage never exceeds the desired voltage.

The ADM7172ACPZ-2.5-R7 voltage regulator offers a wide input range of 2.5V to 5.5V, enabling it to operate in a variety of conditions. The low quiescent current and low output noise features make this regulator ideal for battery-operated devices, as it minimizes power consumption and reduces potential noise. The high power supply rejection and high output impedance also ensure reliable and stable performance.

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