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LP2998MRX

Name: LP2998MRX
Rating: 4.7 (12 reviews)

Power Management Specialized - PMIC

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概述

Description

LP2998MRX is a low-dropout (LDO) voltage regulator designed to provide stable output voltage with minimal input-output voltage differential. It is particularly known for its low quiescent current and high power supply rejection ratio (PSRR), making it suitable for battery-powered applications and sensitive circuitry. The device typically supports a voltage output range of 1.2V to 5.0V and can deliver a maximum output current of around 150 mA.
Key features include thermal shutdown protection, short-circuit protection, and a wide input voltage range, which enhances its versatility in various applications. The LP2998MRX is often used in portable electronics, audio devices, and RF applications where low noise and efficient power management are crucial.
For effective implementation, it is essential to consider the recommended external components and layout guidelines provided in the datasheet to ensure optimal performance.

Features

The LP2998MRX is a low-dropout (LDO) voltage regulator designed for portable applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 16V, making it versatile for various power supply scenarios.
2. Output Voltage Options: Available in fixed output voltages or adjustable versions, allowing flexibility in design.
3. Low Dropout Voltage: Typically around 300 mV at 1 A, ensuring efficient operation even with minimal headroom.
4. High Current Capability: Supports output currents up to 1 A, suitable for powering demanding loads.
5. Low Quiescent Current: Features low standby current, enhancing battery life in portable devices.
6. Thermal and Short-Circuit Protection: Built-in protection features to prevent damage from overheating and overload conditions.
7. Compact Size: Available in a small package, ideal for space-constrained applications.
These attributes make the LP2998MRX a reliable choice for powering microcontrollers, sensors, and other electronic components in battery-operated devices.

Package

The LP2998MRX comes in a Lead-Free MicroSiP (Micro Small Outline Package) with a 5-pin SOT-23 configuration. This compact package type is designed for efficient space utilization in electronic circuits.

Pinout

The LP2998MRX is a low-dropout (LDO) voltage regulator with a pin count of 6. The functions of its pins are as follows:
1. Input Voltage (Vin): Supplies the input voltage to the LDO.
2. Ground (GND): Common ground connection.
3. Output Voltage (Vout): Provides the regulated output voltage.
4. Enable (EN): Active-high control pin to enable or disable the output.
5. Feedback (FB): Used to set and regulate the output voltage; connects to an external resistor divider for adjustable configurations.
6. Bypass (BP): Connects to an external capacitor for noise reduction and improved transient response.
The LP2998MRX is commonly used in applications requiring low voltage and low noise power supplies.

Manufacturer

The LP2998MRX is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and embedded processing devices. Founded in 1930, the company has a strong focus on innovation and technology, serving various markets such as industrial, automotive, personal electronics, and communications. TI is well-known for its integrated circuits and microcontrollers, making it a key player in the semiconductor industry.

Application

LP2998MRX is a low-dropout (LDO) voltage regulator commonly used in applications requiring stable voltage output, such as portable devices, consumer electronics, and battery-powered equipment. Its features make it suitable for powering RF applications, microcontrollers, or any sensitive analog circuitry. Additionally, it is often employed in telecommunications, automotive electronics, and various industrial applications where low noise and high precision are essential.

Equivalent

The LP2998MRX is a low-dropout (LDO) voltage regulator. Equivalent products include the MIC2940, LT1086, and TPS7A33. For specific applications, check datasheets for voltage, current, and package compatibility. Always verify the electrical characteristics to ensure they meet your design requirements.