Texas Instruments

LP877451A1RXVRQ1  

Specialized Power Management

The LP877451A1RXVRQ1 is a high-performance, monolithic, step-down switching regulator from Texas Instruments. This regulator is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The LP877451A1RXVRQ1 is a highly integrated, step-down converter that offers high efficiency and low quiescent current. It features a wide input voltage range, low output voltage ripple, and excellent load and line regulation. The device is available in a compact, thermally enhanced QFN package, making it ideal for space-constrained applications.

Features:

1. Wide input voltage range: The LP877451A1RXVRQ1 can operate with input voltages from 2.5V to 5.5V, making it suitable for a wide range of power supply applications.
2. High efficiency: The device offers high efficiency of up to 93%, which helps to minimize power dissipation and reduce the need for heat sinks or other cooling solutions.
3. Low quiescent current: The LP877451A1RXVRQ1 has a low quiescent current of 2.5μA in normal mode and 1μA in power save mode, which helps to extend the battery life of portable devices.
4. Low output voltage ripple: The device features low output voltage ripple of typically 20mV, which helps to improve the stability and performance of sensitive loads.
5. Excellent load and line regulation: The LP877451A1RXVRQ1 provides excellent load and line regulation, ensuring stable output voltage under varying input voltage and load conditions.
6. Compact package: The device is available in a small, thermally enhanced QFN package, which helps to save space in the overall system design.

Applications:

The LP877451A1RXVRQ1 is suitable for a wide range of applications, including:

1. Portable devices: The low quiescent current and high efficiency make it ideal for powering portable devices such as smartphones, tablets, and wearables.
2. IoT devices: The device's small form factor and low power consumption make it suitable for powering Internet of Things (IoT) devices, such as sensors and smart home devices.
3. Medical devices: The LP877451A1RXVRQ1 can be used in battery-powered medical devices, such as wearable health monitors and portable diagnostic equipment.
4. Industrial equipment: The device's high efficiency and excellent load regulation make it suitable for powering industrial equipment, such as motor controllers and sensor interfaces.
5. Consumer electronics: The LP877451A1RXVRQ1 can be used in various consumer electronics applications, such as portable gaming devices, Bluetooth speakers, and smart TVs.

In summary, the LP877451A1RXVRQ1 is a high-performance step-down switching regulator from Texas Instruments that offers high efficiency, low quiescent current, and excellent load and line regulation. Its wide input voltage range, low output voltage ripple, and compact package make it suitable for a wide range of applications, including portable devices, IoT devices, medical devices, industrial equipment, and consumer electronics.

LP877451A1RXVRQ1 Documents

Download datasheets and manufacturer documentation for LP877451A1RXVRQ1

Datasheets :

LP87745-Q1