LM2940IMP-12

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LM2940IMP-12

IC REG LINEAR 12V 1A SOT223-4

  • Fabricant
  • Mfr. Partie #LM2940IMP-12
  • Paquet SOT-223-4
  • Fiche de données
  • En stock2355

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 26V
Voltage-Output(Min/Fixed) 12V
VoltageDropout(Max) 1V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 10 mA
Current-Supply(Max) 15 mA
PSRR 66dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity, Short Circuit
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Vue d'ensemble

Description

The LM2940IMP-12 is a voltage regulator integrated circuit (IC) designed to provide a stable 12V output with low dropout voltage. It is part of the LM2940 series, known for its high-performance characteristics in power supply applications. The device features a low dropout of typically 0.5V, making it suitable for applications where the input-output voltage differential is minimal. This capability ensures efficient performance in battery-powered and other low-voltage scenarios.
Key features include:
1. Output Voltage: Fixed at 12V.
2. Low Dropout Voltage: Typically 0.5V.
3. Maximum Output Current: Up to 1A.
4. Quiescent Current: Low, enhancing battery life.
5. Protection Features: Includes built-in current limiting and thermal shutdown to prevent damage in case of overload or overheating.
The LM2940IMP-12 is commonly used in automotive, industrial, and consumer electronics for its reliability and efficiency in providing a stable voltage output. Its robust design and protective features make it ideal for ensuring consistent performance in various environmental conditions.

Features

The LM2940IMP-12 is a low dropout (LDO) voltage regulator designed to provide a stable 12V output. Key features include:
1. Low Dropout Voltage: It offers a dropout voltage of typically 0.5V at full load, allowing for efficient operation with a minimal difference between input and output voltage.
2. Output Current: It can supply up to 1A of output current, suitable for a variety of applications.
3. Quiescent Current: The device has a low quiescent current, typically around 10mA, which helps in conserving power in battery-operated devices.
4. Load Regulation: It offers excellent load regulation, ensuring that the output voltage remains stable under varying load conditions.
5. Built-in Protection: Features include overcurrent protection, thermal shutdown, and reverse battery protection to enhance reliability and safeguard against faults.
6. Operating Temperature Range: It is designed to operate over a wide temperature range, from -40°C to +125°C, making it suitable for industrial and automotive applications.
7. Package: The LM2940IMP-12 is available in a compact SOT-223 package, facilitating space-efficient designs.
This LDO is a versatile choice for applications requiring a reliable 12V power supply with minimal voltage drop and robust protection features.

Package

The LM2940IMP-12 is a low dropout regulator with a fixed output voltage of 12V. It comes in an SOT-223 package type, which is a small outline transistor package commonly used for surface-mount applications.

Pinout

The LM2940IMP-12 is a low dropout (LDO) voltage regulator designed to provide a fixed output voltage of 12 volts. It typically comes in a SOT-223 package, which has 3 pins. The key functions of these pins are as follows:
1. Input (Pin 1): This is where the input voltage is supplied. It should be higher than the output voltage plus the dropout voltage for proper regulation.
2. Ground (Pin 2): This pin serves as the common ground reference for the input and output. It is essential for stabilizing the device and completing the electrical circuit.
3. Output (Pin 3): The regulated 12V output is provided through this pin. It delivers the stable voltage required by the connected load.
The LM2940IMP-12 is known for its low dropout voltage, typically around 0.5V at 1A load, making it suitable for applications where input and output voltages are close. It also features protections like short-circuit current limiting and thermal shutdown for reliability in various applications.

Manufacturer

The LM2940IMP-12 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide array of integrated circuits and semiconductor solutions. TI focuses on developing analog chips and embedded processors used in various electronic systems and applications, including industrial, automotive, personal electronics, communications, and enterprise systems. They are known for innovation and reliability in the semiconductor industry.

Application

The LM2940IMP-12 is a low-dropout voltage regulator commonly used in automotive electronics, industrial equipment, and consumer electronics. Its applications include powering microcontrollers, sensors, and other digital circuits requiring a stable 12V supply. Its low dropout voltage makes it suitable for battery-operated devices, enabling efficient power management and extended battery life. Additionally, it is used in communication devices, portable instruments, and other applications where a precise and reliable voltage regulator is essential.

Equivalent

The LM2940IMP-12 is a low dropout voltage regulator. Equivalent products include:
1. MIC29300-12WT - Microchip Technology
2. LT1086-12 - Analog Devices
3. LD1085V12 - STMicroelectronics
4. NCP1117-12 - ON Semiconductor
5. TS2940CW50 - Taiwan Semiconductor
Ensure compatibility by checking specific parameters like input voltage, output current, and package type.

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

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