LP2951ACMX-3.0

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LP2951ACMX-3.0

IC REG LIN POS ADJ 100MA 8SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Adjustable (Fixed)
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 1.235V (3V)
Voltage-Output(Max) 29V
VoltageDropout(Max) 0.6V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 120 µA
Current-Supply(Max) 14 mA
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

The LP2951ACMX-3.0 is a low-dropout voltage regulator designed for providing a stable 3.0V output from a higher input voltage source. It is part of the LP2951 series known for its low power consumption, making it suitable for battery-powered applications. This component offers features such as low quiescent current and low dropout voltage, typically around 60mV at light loads, which improves efficiency in low power settings.
Key features include an adjustable output capability, a precision reference, and an error flag that alerts users to output voltage drops. The device also includes built-in protection features like current limiting and thermal shutdown, enhancing its reliability.
The LP2951ACMX-3.0 is available in a small surface-mount package, making it ideal for space-constrained applications. Typical applications include portable electronics, microcontroller systems, and any circuits requiring a regulated 3.0V power supply with high efficiency and low noise. Its stability, efficiency, and compact design make it a versatile choice for engineers and designers in various electronic design projects.

Features

The LP2951ACMX-3.0 is a low-dropout voltage regulator designed for precision voltage regulation applications. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.0V.
2. Low Dropout Voltage: Designed to operate with a small voltage differential between input and output, typically around 0.47V at 100mA.
3. Output Current: Capable of delivering up to 100mA output current.
4. High Accuracy: Features precise output voltage regulation with a typical accuracy of ±0.5%.
5. Low Quiescent Current: Consumes minimal quiescent current, approximately 75µA, enhancing battery efficiency.
6. Shutdown Mode: Includes a shutdown functionality to reduce power consumption, with a quiescent current of just 3µA when off.
7. Thermal Protection: Equipped with over-temperature protection to prevent damage from overheating.
8. Short-Circuit Protection: Safeguards against output short-circuit conditions.
9. Compact Package: Available in a surface-mount package for space-sensitive applications.
10. Applications: Ideal for battery-powered devices, portable electronics, and other applications where low power consumption and precision regulation are essential.
Overall, the LP2951ACMX-3.0 is well-suited for applications requiring reliable, efficient, and accurate voltage regulation.

Package

The LP2951ACMX-3.0 is a low-dropout voltage regulator by Texas Instruments. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit), which is surface-mountable. This package is compact and suitable for applications with limited space on the PCB.

Pinout

The LP2951ACMX-3.0 is a low-dropout voltage regulator with a fixed output voltage of 3.0V. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin functions:
1. Vin: Input voltage pin, where the supply voltage is applied.
2. Vout: Output voltage pin, providing the regulated 3.0V output.
3. Ground (GND): Common ground reference for the input and output.
4. Feedback (FB): Used for adjustable output versions; typically tied to the output for fixed versions like the 3.0V.
5. Shutdown (SHDN): Active-low input to turn the regulator on or off.
6. Error (ERROR): Open-drain output that indicates when the output voltage is out of regulation.
7. Bypass (BYPASS): Allows for noise reduction; connecting a capacitor here can improve noise performance.
8. No Connect (NC): Typically not connected to the internal circuitry.
Note that not all pins may be utilized in every application, depending on the specific design requirements.

Manufacturer

The LP2951ACMX-3.0 is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components. They are known for their work in various sectors, including digital signal processing, analog circuits, and embedded processors. Texas Instruments serves industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems, providing essential components that power a vast array of electronic products and solutions.

Application

The LP2951ACMX-3.0 is a low-dropout voltage regulator used in various applications due to its precision and efficiency. Key application areas include battery-powered devices, portable electronics, microcontroller power supplies, and any system requiring a stable 3.0V power source with low current consumption. Its features make it suitable for use in industrial, automotive, and consumer electronics where reliable voltage regulation is critical.

Equivalent

The LP2951ACMX-3.0 is a low-dropout voltage regulator. Equivalent products include the LM2951 series, MIC2951, NCP2951, and TL750L from various manufacturers like Texas Instruments, Microchip, ON Semiconductor, and STMicroelectronics. Ensure compatibility by checking the specific parameters such as output voltage, current rating, package type, and additional features like shutdown and error flag functions.

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