MIC5255-2.7YD5-TR

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The MIC5255-2.7YD5-TR is a member of a family of linear voltage regulators. It is an unidirectional device typically used to regulate the output voltage in an electronic system. It uses a fixed feedback circuit for accurate control and regulation of the output voltage with minimal effort.

The MIC5255-2.7YD5-TR is capable of providing up to 2.7V of output voltage, with a maximum current of 150mA. The device is rated for a maximum output voltage variation of ±0.6V, and can handle input voltages from 2.2V to 6V. It also offers several protection features such as thermal shutdown, current limit, and overvoltage protection.

The MIC5255-2.7YD5-TR is designed for applications requiring a low-noise, low-dropout linear voltage regulator. It is ideal for use in automotive, consumer, digital, communications, and industrial applications, as well as rechargeable battery systems. The device features low quiescent current, low output noise, and low dropout voltage.

The working principle of the MIC5255-2.7YD5-TR is based on the well-known voltage regulator principle of amplifier-based regulation. This principle involves comparing the output voltage to a reference voltage and using the error voltage to adjust the input voltage. The regulator is composed of the amplifier, error amplifier, current-limiting circuitry, power output stage, and supply bypass capacitor. The amplifier is used to compare the reference voltage to the output voltage. The output stage is used to drive the current through the load to the output voltage.

Once the output voltage is established, the error amplifier compares the actual output voltage to the reference voltage, and adjusts the base drive of the power output stage accordingly. The current-limiting circuitry prevents the output stage from exceeding the operating limits of the device. The output voltage is maintained at the set level with little variation due to the steady control of the error amplifier.

The MIC5255-2.7YD5-TR is also known for its low noise characteristics and stability in line and load conditions. This is achieved by the low on resistance of the power output stage, which helps to limit the output noise. The device also has load regulation that is 0.2%/mA and line regulation that is 0.01%/V, allowing it to effectively regulate the output voltage in various situations.

The MIC5255-2.7YD5-TR has a temperature range of -40°C to +85°C, which makes it suitable for a wide range of applications. It is also RoHS compliant and lead-free, making it an environmentally friendly choice.

In conclusion, the MIC5255-2.7YD5-TR is an excellent choice for applications requiring a low-cost, low-dropout linear voltage regulator. Its low quiescent current, low output noise, and low dropout voltage, make it suitable for automotive, consumer, digital, communications, and industrial applications, as well as rechargeable battery systems. It also offers a wide range of protection features and is RoHS compliant and lead-free.

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