MPQ2019GN-5-AEC1-Z

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Linear voltage regulators offer an easy, reliable, and cost-effective solution for powersupply circuits, converting an unregulated input voltage to an accurately regulated outputvoltage. MPQ2019GN-5-AEC1-Z is a programmable, three terminal, voltage adjustable linearregulator, featuring excellent ripple rejection and low dropout voltage. It comes in a standard5-pin TO-220 package that can be mounted on a perpendicular surface with a secure clip. The ICconsumes only a small amount of current while providing a very high level of performance.

Features

• Voltage Adjustable: The output voltage can be adjusted from 0.8V to 6.0V with a simple external resistor network using an external reference voltage.
• On-chip Thermal Shutdown: This feature prevents circuit damage due to high temperature.
• Chip Enable: An external signal can be used to enable or disable the environmental protection pin.
• Output Current Limit: This feature limits the output current to a predetermined safe level.
• Load Regulation: The output voltage can be adjusted to a peak-to-peak ripple voltage of less than 0.05% over the full output current range.
• External Shutdown/Speed Selection: An external signal can be used to quickly shut down the device or to select the speed on-the-fly.

Application Field

The MPQ2019GN-5-AEC1-Z can be used in a variety of applications, including telecommunications, consumer electronics, automotive, medical equipment, instrumentation, office automation, industrial and other digital and analog equipment. It is especially suitable for post-regulation in battery-powered and/or power-sensitive applications. Some applications include but are not limited to:

• Power supplies
• Battery-powered devices
• Data loggers
• Computer systems
• Positive voltage regulation up to 6.0V
• Portable electronics

Working Principle

The MPQ2019GN-5-AEC1-Z is a linear voltage regulator which operates by comparing an internal reference voltage to an external voltage divider. The voltage difference between the two is then used to control an internal voltage control circuitry that adjusts the output voltage. The output voltage is determined by an external voltage reference and two external resistors. The device also features on-chip thermal shutdown and over current protection, as well as an auxiliary enable pin that can be used to enable or disable the regulator.

The MPQ2019GN-5-AEC1-Z is designed for low supply voltage applications which require very low dropout voltage. The device maintains a very low output impedance, ensuring that the output voltage remains very stable under varying loads. The device also features low output noise and fast transient response, making it ideal for high-performance systems.

The MPQ2019GN-5-AEC1-Z offers improved efficiency, low dropout specifications, and longer battery life compared to other linear voltage regulators. With the addition of an internal voltage comparator, the device is able to accurately detect light load conditions, allowing for improved efficiency and lower power dissipation. The device also provides a short-circuit protection that prevents any damage to the device or the load in case of an excessive current.

The MPQ2019GN-5-AEC1-Z is capable of providing regulated 5V DC output with very low noise, making it an excellent choice for powering sensitive equipment. The device is also fully protected against reversed bias and thermal damage, making it suitable for both commercial and industrial applications.

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