LP3892EMRX-1.8

The LP3892EMRX-1.8 is a high-accuracy linear regulator that provides any output voltage within the range of 1.21V to 1.80V. This device is part of a series of low-dropout (LDO) voltage regulators that offer single-resistor programming, low quiescent current, fast transient response, and excellent temperature stability and accuracy. Additionally, it has additional protection features such as current-limit, short-circuit protection, and thermal shutdown. With the quality of its voltage regulation and the available protection features, this product is of great utility in power management systems, which are used in a wide variety of applications.

LP3892EMRX-1.8 Application

The LP3892EMRX-1.8 can be used in many electronic systems, such as in computers, cellular phones, industrial control systems, and medical equipment electronics. It should be specially noted that this device is traditionally used in mobile device applications, due to its ability to reduce the power consumption, but also extending the battery life. Its output voltage is factory-programmed and has the capability to be enabled and disabled for power saving mode in portable equipment.

In addition, the LP3892EMRX-1.8 can be used in various display panel applications as well. As a source of regulated voltage supply, this device is also ideal for powering LCDs and embedded graphic controller. Its small size and low quiescent current make it possible to be used in high-integrated devices to reduce its overall power consumption.

LP3892EMRX-1.8 Working Principle

The LP3892EMRX-1.8 utilizes a resistive voltage divider to convert the open-drain output voltage of the device into a single resistor-programmable output voltage. This single resistor then provides a guaranteed precision voltage output with excellent temperature stability and accuracy. When enabled, a constant voltage is provided at the regulator’s output pin. With the voltage divider, a high accuracy output voltage can be obtained without any additional components.

The LP3892EMRX-1.8 is also equipped with additional features such as current-limit and short-circuit protection that ensure a maximum safe current limit to the connected load. In the case of an overload or short-circuit event, the chip provides accurate current-limiting automatically. Furthermore, this chip is equipped with a thermal shutdown feature that protects the device from any dangerous over-temperature events.

Conclusion

The LP3892EMRX-1.8 is a highly programmable low-dropout voltage regulator that can provide accurate voltage readings with a single resistor as its primary input. This makes the programmability and specific parameters of the device highly accessible. Additionally, its protection features, small size, and low quiescent current make it ideal for use in display panel and mobile device applications. Thus, this device establishes itself as a quality choice for power management in systems requiring stable and reliable voltage regulation.