ADP3212AMNR2G

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The ADP3212AMNR2G is a special purpose voltage regulator belonging to a class of Power Management Integrated Circuit (PMIC) voltage regulators. These voltage regulators are typically used to convert an input voltage to an output voltage within a specified range and with a specified amount of current.

The ADP3212AMNR2G takes a wide range of input voltage, from 8V to 30V, and outputs 4.5V to 13.5V. The regulator features active current limiting, short circuit protection and over-temperature protection to protect against unexpected voltage changes and current measurements. The ADP3212AMNR2G also provides a power good signal that indicates when the regulator is operating within specification.

The ADP3212AMNR2G has several application fields and one of these is audio amplifiers. Due to its wide input voltage range, this IC can be used in audio amplifiers that require higher power than what a regular voltage regulator is capable of providing. It can also be used in RF transmitters and receivers, and other applications that require a wide common-mode operating range.

The working principle of the ADP3212AMNR2G is relatively simple. The forward-mode current limit is set by a precision feedback network and is quite accurate. When the current delivered from the output to the load exceeds the factory-set threshold, the regulator decreases the output voltage to protect itself from damage caused by overcurrent.

The regulator also features an adjustable current limit that can be adjusted with the addition of an external resistor. This feature is useful in high-power applications, turning the device into a constant-current source, allowing the user to modify the current limit value.

The ADP3212AMNR2G is a highly versatile device that can be used in many applications. Its wide input voltage range, adjustable current limit, power good signal and safety features make it a popular choice for designers of modern audio, RF and high-power applications.

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