AN80L31RMS

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From the perspective of today’s performance of power management integrated circuit (PMIC) applications, AN80L31RMS is a linear voltage regulator manufactured by ADI (Analog Devices, Inc). It is mainly used in a wide range of applications, ranging from the the portable battery-powered products to the telecom infrastructure equipment. In order to meet the tight performance and power requirements of such applications, this voltage regulator is designed to provide extra benefit such as improved transient response, greater output current than other similar regulators, and low power consumption.

A linear voltage regulator is a type of voltage regulator that regulates the output voltage of a device by controlling at what voltage the device will be powered. The voltage regulator takes in a same amount of input voltage and attempts to keep the output voltage constant, regardless of the amount of current flowing through the circuit. The circuit does this by using a reference voltage or current that the regulator will compare to the output. If the output voltage is lower than the reference, the regulator will increase its output. This allows the circuit to ensure that the output voltage remains constant, even when the input voltage drops. The regulator is generally used to regulate the output voltage of power supplies.

The specific features of AN80L31RMS include its ultra-low power consumption, which typically requires only 4.6 μA at 3.135 V typical output voltage, a high regulation accuracy of 0.2 %, a very low quiescent current, a high current drive up to 150 mA, as well as a low dropout voltage of only 0.1 V at 175 mA. Additionally, this regulator is also designed with a wide operating temperature range from -40 ℃ to +125 ℃, and a low ripple when the current is less than 36 mA. It is also designed with a standard 3-pin TO-220 package size of 3.00 mm x 4.05 mm x 2.93 mm, for convenient mounting and installation.

The main principle of operation behind the AN80L31RMS is its basic voltage setting mechanism. The device uses a reference voltage to compare against the output voltage of the device in order to regulate the output to the desired level. The basic circuit is one of the simplest voltage regulator schemes, having only one active device; a current regulator. By controlling the input current, the regulator adjusts the output voltage.

The AN80L31RMS device is built with a special control circuit which senses the voltage at the output and compares it with the reference voltage. If the output voltage is higher than the reference, the current regulator opens wide, reducing the amount of current and hence, reducing the output voltage to the desired level. Conversely, if the output voltage is lower than the reference, the current regulator slightly reduces its resistance and thereby, increasing the amount of current through the device, and again, raises the output voltage to the desired level.

The integrated circuit is ideal for power management applications that require high performance, reliable output and low quiescent current. It is particularly suitable for battery-powered equipment, such as mobile phones, MP3 players and digital cameras, where power saving is critical. They can also be used in a variety of wired and wireless communication devices, medical instruments, and industrial control devices.

Power management integrated circuits have become increasingly essential elements in many modern electronic systems, and the AN80L31RMS is a product which provides high performance linear voltage regulation in a compact three-pin TO-220 package. This device offers very low power consumption and can be used in a range of applications, from portable battery powered systems to telecom infrastructure devices. With its excellent features, the AN80L31RMS linear voltage regulator is definitely an excellent choice to many customers.

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