MP2019GN-5

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The MP2019GN-5 is a low-noise, low-dropout three-terminal adjustable regulator. It is part of the linear voltage regulators family and offers a wide range of application possibilities. Its unique design and low-dropout make it a reliable choice for system designers. With its 5V fixed output voltage, the MP2019GN-5 is suitable for a variety of applications.

Pin Configurations

The MP2019GN-5 comes in three different pin configurations. The common pin configuration is TO-220, which contains three pins. The other two configurations are DIP with two pins and SOT-23 with three pins. The two DIP pins are used for output voltage and ground, while the three SOT-23 pins are for output voltage, ground, and output current control.

Features

The MP2019GN-5 is designed with a wide range of features to ensure reliable operation. It offers a temperature range from -40°C to 125°C, an output current of up to 1.5A and an output voltage range of 1.2V to 5V. It is equipped with an on/off control, over-temperature protection, output over-current protection, and a reverse-battery protection diode.

Input and Output Characteristics

The input voltage of the MP2019GN-5 is 3.2V to 36V. It has an in-rush limit of 150mA. It also includes an output voltage-temperature coefficient of 0.05%/°C and a typical load regulation of 0.1%. The minimum dropout voltage is 0.3V with a 8V input and 1A current limit.

Applications

The MP2019GN-5 can be used in a variety of applications. It is ideal for battery-powered consumer electronics, automotive, industrial, and instrumentation products. It can also be used in portable device designs where low noise, low dropout and small size are essential. Due to its wide temperature range and output accuracy, it is also suitable for use in medical devices.

Working Principle

The MP2019GN-5 is a linear voltage regulator, which uses a three-terminal design to maintain a constant output voltage. It consists of a controlled current source, which follows the voltage reference voltage output. When the voltage reference voltage is higher than the input voltage, the current source is activated to provide a constant output voltage. The current source is then disabled when the input voltage exceeds the reference voltage.

To ensure accurate output voltage regulation, the MP2019GN-5 uses an error amplifier to provide feedback control over the LM317 output voltage. The error amplifier compares the reference voltage with the regulator\'s output voltage and adjusts the current source accordingly. This helps to maintain a constant output voltage, regardless of the input voltage.

The MP2019GN-5 also has thermal protection, which helps to protect the device from thermal overload. It also includes adjustable current protection, which prevents the device from drawing too much current, which could damage the system.

Conclusion

The MP2019GN-5 is a low-noise, low-dropout three-terminal adjustable regulator. It is part of the linear voltage regulators family and offers a wide range of application possibilities. With its 5V fixed output voltage, the MP2019GN-5 is suitable for a variety of applications. It is equipped with an on/off control, over-temperature protection, output over-current protection, and a reverse-battery protection diode. It has an input voltage of 3.2V to 36V and an output voltage range of 1.2V to 5V. Thanks to its features, the MP2019GN-5 can be used in battery-powered consumer electronics, automotive, industrial, and instrumentation products as well as in medical devices.

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