LM285DR-2-5

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PMIC (power management integrated circuit) is an integrated circuit that is designed to manage the power of an electronic system by reducing the number of components. One of the commonly used PMICs is LM285DR-2-5, which belongs to the voltage reference family. In this article, we will discuss the application field and working principle of LM285DR-2-5.

LM285DR-2-5 is an integrated voltage reference, which means it takes an input voltage and produces a very stable output voltage. It is designed to provide a stable reference voltage in applications such as microprocessors, analog to digital converters, signal processing, and video displays. It is also used for precision voltage regulation and signal conditioning.

LM285DR-2-5 is a low-power CMOS device, with a low dropout voltage of less than 10mV, which ensures a more accurate output voltage. It provides a wide range of voltage references from 2.5V to 5V and has an absolute tolerance of 0.1%. The wide range makes LM285DR-2-5 suitable for different applications.

LM285DR-2-5 works by sensing the input voltage and comparing it to a reference value. This reference value is either fixed or adjustable, depending on the version. The device constantly monitors the input voltage, and when the input voltage drops, it adjusts the output voltage to maintain a constant level.

LM285DR-2-5 is also equipped with an overtemperature protection circuit, which ensures the output voltage is stable even when the device is operating at high temperatures. This is important in applications where high temperatures are encountered, such as in automotive engines.

In addition to its versatile features, LM285DR-2-5 also has low quiescent current and fast response time, making it suitable for a wide variety of applications.

In summary, LM285DR-2-5 is a versatile PMIC for voltage reference applications. It provides a wide range of voltage references from 2.5V to 5V, has an absolute tolerance of 0.1%, and is designed with an overtemperature protection circuit. It also has low quiescent current and fast response time.

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