LP2985A-25DBVRG4

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LP2985A-25DBVRG4 Application Field And Working Principle

The LP2985A-25DBVRG4 is a series of voltage regulators produced by Texas Instruments, a semiconductor specialist. The device is part of the PMIC—voltage regulator—linear family. It is a low drop-out (LDO) regulator, providing voltage regulation with a unique combination of very low operating currents, low dropout voltage and excellent line/load regulation. This makes it an ideal choice for battery-powered applications such as consumer and industrial devices.

The LP2985A-25DBVRG4 is designed for applications with input voltages of 3.0V to 30V and can provide output voltage up to 20V. It features a very low quiescent current of 100μA (typical) at no load and 600μA (typical) at full load, enabling energy-efficient operation. The device has a fixed output voltage, but is available in versions with an adjustable output voltage. Operating temperature range is from -40℃ to 125℃.

The LP2985A-25DBVRG4 is constructed with a highly-integrated regulator which makes it suitable for multiple voltage rail applications. External components required for operation include input and output capacitors, especially when providing electrical noise filtering, and an enable pin, allowing system powerdown to minimize power consumption. An additional resistor can be used to set the quiescent current.

This device features excellent line and load regulation, with accuracy within 4.0% over its full working temperature range. It also features an enable pin for low-power shutdown, with an output leakage current of typically 5μA. These features make the regulator extremely suitable for the most demanding applications.

The LP2985A-25DBVRG4 can be used in a wide range of applications, in particular, battery-powered portable devices such as mobile phones, tablets and notebook computers, as well as industrial, automotive, test and measurement equipment and healthcare devices. It is also suitable for powering micro controllers, LCD display drivers, precision data converters and sensors.

In summary, the LP2985A-25DBVRG4 is a highly integrated, low drop out linear linear regulator that offers a unique combination of low-current operation, excellent line and load regulation, adjustable output voltage and low noise. It is ideal for applications requiring low-power operation and is suitable for a wide range of applications from consumer electronics to automotive, test and measurement and healthcare.

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