LP5904TM-2.85EV/NOPB

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Evaluation boards of linear voltage regulators can be used for a variety of applications, ranging from consumer and industrial electronics to medical and communications. In this article, we will discuss the application field and working principle of the LP5904TM-2.85EV/NOPB linear voltage regulator.

The LP5904TM-2.85EV/NOPB is a low-power, low-dropout (LDO) voltage regulator designed for use in applications such as automotive systems, wearables, and small portable electronic devices. The board features an input voltage range of 4.5V-28V, and an adjustable output voltage of 0.8V-3.3V with a guaranteed accuracy of ±1.00%.

The board is designed to provide a stable voltage with low noise, making it ideal for powering sensitive components. The board also features a wide operating temperature range of -40°C to +125°C, and a low quiescent current of 38μA for energy-efficient operations.

The LP5904TM-2.85EV/NOPB operates using an indirect DC-DC switching architecture. This means that the input voltage is fed to a circulating current, which switches between two linear regulators. These linear regulators supply power to the output. In this setup, the output voltage is not directly tied to the input voltage, which means that the board can provide a wide input voltage range with a precise output voltage.

The board also features internal overvoltage protection, overcurrent protection, and thermal shutdown. This ensures that the board will not be damaged in the event of a fault or overvoltage on the output.

The board also includes a host of features to enable easy integration with other components. This includes on-board current sense, remote sensing, and external shutdown, as well as power-good, enable, discharge, and of course the regulator output.

The board is also designed to be power efficient. This is achieved through a low input voltage dropout, and low quiescent current, which saves power and extends battery life.

The LP5904TM-2.85EV/NOPB is an excellent choice for powering low-power and low-noise components. Its adjustable output voltage makes it suitable for a wide range of applications, such as automotive, medical, communications, wearable, and consumer electronics. Its wide range of protections ensure that components are not damaged in case of a fault, and its efficient design helps to extend battery life.

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