LP2951CD-3.3R2G

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LP2951CD-3.3R2G

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IC REG LINEAR 3.3V 100MA 8SOIC

  • HerstellerOnsemi

  • Herstellerteil #LP2951CD-3.3R2G

  • Paket SOIC-8

  • Auf Lager2357

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.45V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 120 µA
Current-Supply(Max) 12 mA
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The LP2951CD-3.3R2G is a low-dropout voltage regulator, specifically designed to provide a stable 3.3V output. It is part of the LP2951 family, known for their high precision and low power consumption. This component is suitable for battery-powered applications due to its low quiescent current and ability to operate with a low input voltage.
Key features include a dropout voltage typically around 0.1V at light loads, making it efficient for applications where maintaining a consistent output despite varying input levels is crucial. It also includes an error flag to indicate an output fault condition, enhancing reliability by alerting to potential issues. The device supports a wide input voltage range, which adds versatility for different design requirements.
Additional functionalities might include on/off control, overcurrent protection, and thermal shutdown to prevent damage under overload conditions. Its compact size makes it suitable for portable and space-constrained applications, such as smartphones, wearable devices, and other consumer electronics.

Equivalent

The LP2951CD-3.3R2G is a low-dropout voltage regulator with a 3.3V fixed output. Equivalent products include the LM2951 series by Texas Instruments, the MIC2951 by Microchip Technology, and the NCP2951 by ON Semiconductor. These alternatives offer similar functionality and specifications, such as low dropout voltage, low quiescent current, and thermal overload protection. Always verify the specific requirements and datasheets to ensure full compatibility with your application.

Features

The LP2951CD-3.3R2G is a low-dropout (LDO) voltage regulator designed for precision regulation and efficiency in low-power applications. Some key features include:
1. Output Voltage: The device provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: It offers a low dropout voltage, making it suitable for applications requiring low voltage differentials.
3. Efficiency: Designed for high efficiency in battery-powered systems.
4. Output Current: Capable of delivering up to 100 mA output current.
5. Low Quiescent Current: Consumes minimal power in standby mode, enhancing battery life.
6. Precision Voltage Regulation: Provides accurate voltage regulation with tight output voltage tolerance.
7. Protection Features: Includes overcurrent and thermal protection to enhance reliability.
8. Compact Package: Available in a compact surface-mount package, suitable for space-constrained applications.
9. Temperature Range: Operates reliably over a wide temperature range, making it versatile for different environments.
These features make the LP2951CD-3.3R2G ideal for use in portable electronics, microcontroller power supplies, and other low-power applications.

Pinout

The LP2951CD-3.3R2G is a low-dropout voltage regulator with specific characteristics. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of this regulator is to provide a stable 3.3V output voltage from a higher input voltage, with a low dropout, meaning it can maintain regulation with a small difference between the input and output voltages.
Here is a brief outline of the pin functions:
1. Input (VIN): The input voltage pin, where the unregulated input voltage is applied.
2. Ground (GND): The ground pin, connected to the system ground.
3. Output (VOUT): The regulated 3.3V output voltage is available on this pin.
4. Shutdown (SHDN): When taken low, it shuts down the regulator to save power.
5. Feedback (FB): Used for adjusting the output voltage and stability.
6. Error Flag (ERROR): Indicates if the output voltage is out of regulation.
7. Bypass (BP): Used to improve PSRR or transient response by connecting a capacitor.
8. No Connection (NC): Typically not connected internally or used in some variants.
Note that the exact pin configuration can vary, so always refer to the manufacturer's datasheet for precise details.

Manufacturer

The LP2951CD-3.3R2G is manufactured by ON Semiconductor. ON Semiconductor, officially known as onsemi, is a global company that specializes in designing and manufacturing a wide range of semiconductor components. The company provides solutions for various sectors, including automotive, industrial, cloud power, and Internet of Things (IoT). Its product portfolio includes power and signal management, logic, discrete, and custom devices. Onsemi focuses on energy-efficient innovations and is recognized for its role in advancing semiconductor technology to support sustainable energy practices and efficient power consumption.

Application

The LP2951CD-3.3R2G is a low-dropout voltage regulator with a fixed 3.3V output, suitable for various applications. Its primary uses include powering microcontrollers and digital circuits, battery-operated devices, and portable electronics, thanks to its low quiescent current and efficient power regulation. It is also applicable in instrumentation, telecommunications, and industrial control systems where stable voltage output is needed under varying input conditions. Additionally, its features make it suitable for automotive electronics, where reliable voltage regulation is critical.

Package

The LP2951CD-3.3R2G is a low dropout voltage regulator in a SOIC-8 (Small Outline Integrated Circuit) package.

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