LP3992-28B5F

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LP3992-28B5F

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規格

屬性 價值
Manufacturer LOWPOWER
Package SOT-23-5
Output Type Fixed
Number of Outputs 1
Output Current 300mA
Voltage - Supply 5.5V
Power Supply Rejection Ratio (PSRR) 76dB@(1kHz)
Features Overcurrent Protection
Output Voltage 2.8V
Operating Temperature -40℃~+125℃
Output Configuration Positive electrode

概述

Description

LP3992-28B5F is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage with low noise and high efficiency. It typically features an output voltage of 2.8V and can supply up to 500mA of current. The device is known for its low dropout voltage, typically around 200mV at full load, making it suitable for battery-operated devices where power efficiency is crucial.
The LP3992-28B5F offers various protection features, including thermal shutdown and current limit, ensuring reliable operation under different conditions. Its compact package size makes it ideal for space-constrained applications, such as portable electronics, consumer devices, and automotive systems.
The regulator is designed for ease of use, often requiring minimal external components for implementation. Overall, the LP3992-28B5F is a popular choice for engineers looking for a dependable, efficient voltage regulation solution in a variety of electronic applications.

Equivalent

The LP3992-28B5F is a low-dropout (LDO) voltage regulator. Equivalent products include the TPS7A33, MIC5219, and LM1117-3.3. Always verify specifications like output voltage, current rating, dropout voltage, and package type to ensure compatibility with your application.

Features

The LP3992-28B5F is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage with low noise and high accuracy. Key features include:
1. Output Voltage: Fixed output of 2.8V.
2. Low Dropout Voltage: Ensures efficient operation even with minimal input-output voltage differences.
3. Output Current: Supports up to 200 mA load current.
4. High PSRR: Excellent power supply rejection ratio for reduced noise on the output.
5. Low Quiescent Current: Minimizes power consumption, making it suitable for battery-operated devices.
6. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
7. Compact Package: Available in a small footprint (SOT-23-5) for space-constrained applications.
8. Wide Input Voltage Range: Suitable for various power supply voltages, enhancing design flexibility.
This combination of features makes the LP3992-28B5F ideal for applications such as portable devices, RF applications, and other low-power electronic systems.

Pinout

The LP3992-28B5F is a low-dropout (LDO) voltage regulator with a pin count of 5. Its primary functions are as follows:
1. Input (Vin): This pin receives the input voltage supply.
2. Ground (GND): This pin connects to the system ground.
3. Output (Vout): This pin provides the regulated output voltage, which is typically set at 2.8V.
4. Enable (EN): This pin is used to enable or disable the regulator. When high, the output is active; when low, it goes into a low-power shutdown mode.
5. Adjust (Vadj): This pin allows for external adjustment of the output voltage, enabling flexibility in voltage settings, although in the LP3992-28B5F, it's generally configured for a fixed output.
The LP3992-28B5F is designed for applications requiring a stable output voltage with minimal ripple and low noise.

Manufacturer

The LP3992-28B5F is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments is primarily known for designing and manufacturing semiconductors and various integrated circuits. The company plays a significant role in the semiconductor industry, producing a wide array of products including analog and digital ICs, embedded processors, and a range of other electronic components.
Founded in 1930, Texas Instruments serves multiple markets including automotive, industrial, communications, consumer electronics, and computing. The company is recognized for its innovation in analog technology and signal processing, as well as its development of both high-performance and low-power solutions.
The LP3992-28B5F itself is a low-dropout (LDO) linear voltage regulator, designed to provide a stable output voltage with minimal input-output voltage differential. This makes it suitable for various applications in battery-powered devices and other electronic systems where efficient power management is crucial. Overall, Texas Instruments is a pivotal player in the advancement of electronic technologies and solutions.

Application

The LP3992-28B5F is a low-dropout (LDO) voltage regulator designed for various application areas, including portable devices, battery-powered equipment, and telecommunications. Its low quiescent current makes it suitable for power-sensitive applications like wearables and IoT devices. Additionally, it can be used in microcontroller and DSP power supply designs, automotive electronics, and industrial control systems, where stable voltage regulation is essential. The device provides high power supply rejection ratio (PSRR) and low noise, making it ideal for audio and RF applications as well.

Package

The LP3992-28B5F is offered in a 5-pin SOT-23 package type. This compact package is designed for space-constrained applications, providing efficient performance in voltage regulation.

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