LP2981AIM5X-3.3

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LP2981AIM5X-3.3

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IC REG LINEAR 3.3V 100MA SOT23-5

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Spezifikationen

Attribut Wert
PartStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.37V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 95 µA
Current-Supply(Max) 1.7 mA
PSRR 63dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753
SupplierDevicePackage SOT-23-5
BaseProductNumber LP2981

Übersicht

Description

The LP2981AIM5X-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. It features an adjustable output with a maximum output current of 100 mA, making it suitable for powering low-power devices and microcontrollers. The device is known for its low quiescent current, which enhances battery life in portable applications.
Key features include a dropout voltage of 0.1V at 100 mA, enabling efficient operation even with minimal headroom. It also offers excellent line and load transient response, ensuring stable operation under varying input conditions. The LP2981 includes built-in overcurrent and thermal protection to safeguard against faults.
Its small SOT-223 package facilitates easy integration into space-constrained designs. Overall, the LP2981AIM5X-3.3 is ideal for applications requiring reliable low-voltage regulation, such as in communication devices, sensors, and wearable technology.

Equivalent

Equivalent products to the LP2981AIM5X-3.3 include the MIC5205-3.3, MCP1700-3302E, and LM1117-3.3. These voltage regulators offer similar specifications, such as low dropout voltage and output current capabilities. Always confirm pin compatibility and detailed specifications to ensure proper functionality in your application.

Features

The LP2981AIM5X-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output. Key features include:
1. Low Dropout Voltage: Typically around 300mV at full load, allowing efficient operation with minimal input-output voltage differential.
2. High Output Current: Capable of delivering up to 150mA, suitable for various applications.
3. Low Quiescent Current: Typically around 30µA, ensuring minimal power consumption, especially in battery-powered devices.
4. Fast Transient Response: Provides stable output during rapid load changes.
5. Overcurrent and Thermal Protection: Integrated safety features to prevent damage from overload conditions.
6. Compact Package: Available in a small SOT-23-5 package, ideal for space-constrained applications.
7. Input Voltage Range: Accepts input voltages from 2.7V to 16V, offering flexibility in different circuit designs.
8. Output Capacitor Compatibility: Works with a variety of output capacitors, including ceramic types, enhancing design versatility.
These features make the LP2981AIM5X-3.3 a reliable choice for powering sensitive electronic devices.

Pinout

The LP2981AIM5X-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 5-pin form factor, specifically the SOT-23 package.
Pin Configuration:
1. Input (Vin): This pin connects to the input voltage source.
2. Ground (GND): This pin is the ground reference for the device.
3. Output (Vout): This pin provides the regulated output voltage, which in this case is 3.3V.
4. Feedback (FB): This pin is used to set the output voltage and maintain regulation.
5. Enable (EN): This pin allows the device to be turned on or off, facilitating power management.
The LP2981AIM5X-3.3 is designed to provide a stable output with low dropout voltage, making it suitable for battery-powered and portable applications.

Manufacturer

The LP2981AIM5X-3.3 is manufactured by Texas Instruments (TI), a prominent semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions. The company is well-known for its innovations in integrated circuits (ICs), including operational amplifiers, microcontrollers, and voltage regulators, among other products.
Texas Instruments serves various markets, including automotive, industrial, communications, and consumer electronics, providing essential components that enable advanced functionalities in electronic devices. The LP2981AIM5X-3.3 is a low-dropout (LDO) voltage regulator, often used in applications requiring a stable output voltage with minimal input-output voltage differential, making it ideal for battery-powered devices and other sensitive electronic systems. TI is recognized for its commitment to quality and reliability in electronic components, contributing significantly to the global electronics industry.

Application

The LP2981AIM5X-3.3 is a low-dropout voltage regulator (LDO) specifically designed for applications requiring stable voltage supply and low noise. Key application areas include:
1. Portable Devices: Used in battery-powered equipment for efficient voltage regulation.
2. Consumer Electronics: Supplies power to audio and video devices for enhanced performance.
3. Microcontroller Power Supplies: Provides a clean voltage for MCU operations in embedded systems.
4. Telecommunications: Ensures stable voltage for communication devices.
5. Industrial Applications: Used in sensor and control circuits requiring reliable power.
Its low dropout voltage and low noise make it suitable for sensitive electronic applications.

Package

The LP2981AIM5X-3.3 is packaged in a 5-pin SOT-23 (Small Outline Transistor) format. This package type is commonly used for low-power voltage regulators and features a compact design suitable for space-constrained applications.

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