LP3992-12B5F

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LP3992-12B5F

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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 1.2V
Operating Temperature -40℃~+125℃@(Tj)
Output Configuration Positive electrode

概述

Description

LP3992-12B5F is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage of 1.2V with a maximum output current of 5A. It features a low dropout voltage, typically around 320mV at full load, which allows it to maintain regulation even when the input voltage is only slightly higher than the output voltage. The device is commonly used in applications requiring a reliable power supply for digital circuits, including processors, FPGAs, and other sensitive components.
The LP3992-12B5F includes overcurrent protection, thermal shutdown, and short-circuit protection to ensure robust operation. It operates over a wide temperature range and is packaged in a compact form factor, making it suitable for space-constrained applications. Its high power efficiency and low noise make it an ideal choice for battery-powered devices and other applications where power conservation is critical.

Equivalent

Equivalent products to the LP3992-12B5F include the MIC5205-12, MCP1700-1202E, and LM1117-12. These alternatives provide similar low-dropout voltage regulation features and output voltage specifications. Always verify specific requirements such as output current, thermal performance, and package type to ensure compatibility.

Features

The LP3992-12B5F is a low-dropout (LDO) voltage regulator designed for efficient power management in various electronic applications. Key features include:
1. Output Voltage: Fixed output voltage of 1.2V.
2. Input Voltage Range: Operates from a wider input range, typically 2.5V to 5.5V.
3. Low Dropout Voltage: Offers low dropout voltage, enhancing efficiency, especially in battery-operated devices.
4. High Output Current: Capable of delivering up to 300mA output current.
5. Built-in Protection: Includes thermal shutdown and current limiting features to protect against overload conditions.
6. Low Quiescent Current: Minimal quiescent current consumption for improved battery life in portable applications.
7. Small Package: Available in a compact SOT-23-5 package, ideal for space-constrained designs.
8. Temperature Range: Operates reliably across a wide temperature range, ensuring performance stability.
These features make the LP3992-12B5F suitable for use in mobile devices, portable equipment, and other applications requiring efficient voltage regulation.

Pinout

The LP3992-12B5F is a low-dropout (LDO) voltage regulator with a total of 8 pins. Its primary function is to provide a stable output voltage of 1.2V from a higher input voltage while ensuring low dropout operation and minimal noise.
The pin configuration is as follows:
1. Input (VIN): Connects to the input voltage supply.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Provides the regulated output voltage (1.2V).
4. Enable (EN): Active-high pin to enable or disable the output.
5. Feedback (FB): Used to set the output voltage through feedback.
6. Compensation (COMP): For stability and frequency compensation.
7. Noise Bypass (BP): Optional pin for noise reduction.
8. NC (No Connect): Not internally connected, can be left unconnected.
The LP3992-12B5F is suitable for powering sensitive analog and digital circuits due to its low output noise and high power supply rejection ratio (PSRR).

Manufacturer

The LP3992-12B5F is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in the design and manufacture of semiconductors and various integrated circuits, most notably for the automotive, industrial, and consumer electronics markets. Founded in 1930, TI is known for its innovation in analog and embedded processing technologies. The LP3992-12B5F is a low-dropout (LDO) voltage regulator, which highlights TI's focus on providing power management solutions to improve energy efficiency and reliability in electronic systems. The company is recognized for its commitment to research and development, producing a wide range of products, including processors, microcontrollers, and sensors, serving diverse industries worldwide.

Application

The LP3992-12B5F is a low-dropout (LDO) voltage regulator primarily used in portable electronics, mobile devices, and battery-powered applications. Its key application areas include powering microcontrollers, DSPs, and RF circuits where low noise and high precision are essential. It is also suitable for use in automotive electronics, consumer products, and telecommunications equipment. With its low quiescent current, the LP3992-12B5F is ideal for applications requiring efficient power management and extended battery life.

Package

The LP3992-12B5F is packaged in a small, 5-pin SOT-23 form factor. This compact package type is designed for low-dropout (LDO) voltage regulation applications, offering efficient performance in a space-saving design.

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