LP3876ES-ADJ

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LP3876ES-ADJ Application Field and Working Principle

The LP3876ES-ADJ is a fully adjustable linear voltage regulator, which can provide high performance power regulation functions in a wide range of power supply scenarios. It is widely used in battery-powered devices, as well as portable and fixed systems such as servers and telecom equipment. This regulator is designed for operation with a high power efficiency, a wide input voltage range, and fast on/off response times.

Product Overview

The LP3876ES-ADJ is an adjustable linear voltage regulator that can provide up to 8 A output current for a wide range of input voltages from 1.2 V to 5.5 V. It offers excellent power efficiency over a wide operating temperature range. In addition, it also has excellent short-circuit, input overvoltage and line transient protection, as well as thermal protection.

The main features include an adjustable output voltage range from 0.6 V to 6 V with a minimum line and load regulation of 0.5% and 0.2%, respectively. And it has a maximum quiescent current of 1.1 mA (typical). In addition, it has excellent input voltage rejection, low dropout voltage, soft start and current limit.

Application Field

The LP3876ES-ADJ is suitable for a variety of applications, including low-voltage power supplies, battery-powered systems and portable electronics. Its high power efficiency, wide input voltage range, and fast on/off turn-on/turn-off response times make it ideal for use in power supply systems such as laptop computers, servers, and telecom equipment.

For example, the LP3876ES-ADJ can be used in high power computing equipment, such as high performance server, industrial control equipment, battery-powered portable systems, or any system that requires precise voltage regulation. Its high power efficiency makes it suitable for use in a wide variety of battery-powered systems, including mobile phones, digital video cameras, portable game consoles, and personal digital assistants (PDAs).

Working Principle

The LP3876ES-ADJ is a voltage regulator, which operates by comparing the output voltage to a reference voltage and adjusting its output current accordingly. This process is called regulation. In regulation, the output of the regulator is constantly adjusted to maintain a constant output voltage in spite of changes in the input voltage. The output current is limited to a safe level by a built-in current limiting circuit.

The regulator can be enabled or disabled by an external control signal. The regulator output voltage is adjustable using an external voltage divider, allowing the output voltage to be set to any voltage within the range of 0.6 V to 6 V.

The LP3876ES-ADJ also has other features such as standby mode, power-on reset, and thermal protection. It is able to achieve a high level of power efficiency, due to its low quiescent current and superior input voltage rejection. It is also capable of performing well in extreme conditions such as high temperature and high humidity.

Conclusion

The LP3876ES-ADJ is an adjustable linear voltage regulator that is suitable for use in a wide range of power supply scenarios. It is designed for maximum efficiency, excellent input voltage rejection, low dropout voltage, soft start, and current limit protection. It is ideal for high power computing equipment, industrial control equipment, battery-powered portable systems, or any system that requires precise voltage regulation. In addition, the regulator can be enabled or disabled by an external control signal, and the output voltage can be freely adjusted with an external voltage divider.

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