REG101NA-2.5/250G4

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The REG101NA-2.5/250G4 is an integrated linear voltage regulator designed specifically to provide regulated voltage source with low output noise, good line regulation and temperature stability. The REG101NA-2.5/250G4 is ideally suited for applications such as logic systems, digital circuitry, RF/IF circuitry, timing devices, power amplifiers and voltage reference sources. This integrated voltage regulator is designed to provide improved performance over that of un-regulated designs. It is capable of supplying output voltages ranging from 1.25V to 2.5V, with a maximum output current of 250mA.

The integrated REG101NA-2.5/250G4 consists of a temperature compensation network, a precision voltage reference (1.25V or 2.5V) and an output voltage error amplifier. An internal low drop-out output stage with low effective on-resistance provides a constant output voltage and current regulation independent of the input voltage. The combination of a precision internal temperature compensator, an external compensation function, and a voltage reference allow high accuracy and good peak current capability at up to 6V input voltage.

The integrated REG101NA-2.5/250G4 features excellent line and load regulation, high voltage accuracy, low output noise and good temperature stability. The internal voltage reference can be adjusted with an external resistor, allowing the user to achieve a wide input/output voltage range, from 1.25V to 2.5V. With the addition of an external resistor, the output voltage may be adjusted from 1.25V to 5V, with a maximum current limit of 250mA.

The application of the REG101NA-2.5/250G4 integrated voltage regulator mainly focuses on its high input voltage, precision output voltage, low output noise and low power consumption. The integrated regulator is most suitable for use in mobile phone, notebook, tablet and other portable devices that require stable voltage output, further keeping components safe and powered at longer battery life. It can also be used in cameras, LCD monitors, audio systems, automotive applications, industrial control systems and other products that require less power consumption.

The working principle of the REG101NA-2.5/250G4 linear voltage regulator is based on a low drop-out (LDO) technology. This means that the regulator can operate in a very low input voltage, compared to a standard linear regulator. The integrated regulator features a band-gap reference circuit that provides precision output voltage stability even with variations in temperature. The output voltage error amplifier compares the output voltage to the reference voltage, and then adjusts the current through the output transistor to keep the output voltage constant. This circuit also includes a temperature compensation network for maintaining an output voltage accuracy with variations in temperature.

The integrated REG101NA-2.5/250G4 voltage regulator features a wide input voltage range from 1.25V to 6V and a wide output voltage range from 1.25V to 5V. It also offers high output accuracy and low output noise, as well as reduced power consumption. With its wide range of applications, the integrated voltage regulator provides an excellent combination of performance, power savings and long battery life.

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