MAX8881EUT50-T

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The MAX8881EUT50-T is a popular adjustable low-dropout (LDO) linear voltage regulator from Maxim Integrated, a leading supplier of analog and mixed-signal semiconductor solutions. Its key feature is the precise regulation of output voltage with extremely low dropout voltage and very low quiescent current. It can be used in a wide range of applications, ranging from small and portable consumer electronics to communications and industrial equipment.

The MAX8881EUT50-T is a complete voltage-regulator solution in one package. It is designed to meet the power needs of various portable and external applications requiring 1.2V to 5.5V of output voltage. It provides 1.5A continuous output current and protects the device from over-current and overtemperature conditions. The unique feature of this voltage regulator is its adjustable output voltage. It enables the output voltage to be adjusted precisely to a specific value by connecting a resistor divider between the VREF, ADJ, and OUT pins. The wide operating temperature range of -40°C to +85°C makes the MAX8881EUT50-T ideal for use in mobile and other applications.

The MAX8881EUT50-T features an advanced bandgap reference that allows the device to have very low line and load regulation. It has very tight output voltage regulation with a typical voltage accuracy of ±0.5 % error across the entire input voltage range. The small dropout voltage of 50 mV at 2 A output current makes the voltage regulator extremely efficient. The quiescent current of this LDO is very low and are typical in the microamp range.

The MAX8881EUT50-T is designed to be used as a power supply in a variety of applications. It can be used in cellular phones and wearable devices, consumer analog and digital systems, cameras and camcorders, notebooks and netbooks, medical systems, and other applications.

The working principle of the MAX8881EUT50-T is based on the graded bandgap reference technology. This technology eliminates most of the design task and hence the device is very easy to implement. The LDO consists of a voltage reference, current limiting circuit, error amplifier and a pass transistor. The voltage reference provides a steady reference voltage to the error amplifier. The error amplifier compares the reference voltage with the output voltage and generates a signal to adjust the output voltage. The current limiting circuitry serves to protect the device from damage due to an over-current condition.

The adjustable output voltage capability of the MAX8881EUT50-T makes it very suitable to meet the ever-changing voltage requirements of different applications. Its wide temperature range, low dropout voltage, low quiescent current, high accuracy and very low line and load regulation make this voltage regulator an ideal choice for use in many applications.

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