L78L12ACUTR

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L78L12ACUTR

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IC REG LINEAR 12V 100MA SOT89-3

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Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 12V
Current - Output 100mA
Current - Quiescent (Iq) 6 mA
Current - Supply (Max) 6.5 mA
PSRR 42dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C
Mounting Type Surface Mount

Übersicht

Description

The L78L12ACUTR is a low-dropout linear voltage regulator from STMicroelectronics. It is designed to provide a stable 12V output from a higher voltage input, with a maximum output current of 100mA. This regulator is commonly used in electronic circuits to ensure that sensitive components receive a steady voltage supply, despite variations in the input voltage.
Key features of the L78L12ACUTR include internal current limiting, thermal shutdown, and safe area protection, which enhance its reliability and safety in various applications. The device is available in a SOT-89 package, making it suitable for applications where space is a concern.
This voltage regulator is often used in consumer electronics, industrial equipment, and other applications requiring a stable 12V power supply. Its ease of use and robust performance make it a popular choice for designers looking to maintain voltage stability and protect their circuits from power-related issues.

Equivalent

The L78L12ACUTR is a linear voltage regulator that outputs 12V. Equivalent products include:
1. LM78L12 by Texas Instruments
2. MC78L12 by ON Semiconductor
3. UA78L12 by Texas Instruments
4. KA78L12 by Fairchild Semiconductor
5. NJM78L12 by New Japan Radio Co., Ltd.
These alternatives provide similar voltage regulation and performance characteristics suitable for various applications. Always check the datasheets for specific requirements and compatibility.

Features

The L78L12ACUTR is a three-terminal positive voltage regulator. Key features include:
1. Output Voltage: It provides a fixed output voltage of 12V.
2. Output Current: Capable of delivering up to 100mA.
3. Thermal Overload Protection: Safeguards against overheating.
4. Short-Circuit Protection: Protects against output short circuits.
5. Safe Operating Area Protection: Ensures the device operates safely under various conditions.
6. Low Quiescent Current: Offers efficient power usage when idle.
7. Dropout Voltage: Typically around 1.7V, allowing the regulator to maintain output regulation with a minimum voltage difference between input and output.
8. Package: Often available in SOT-89, making it suitable for compact PCB designs.
9. Temperature Range: Operates effectively in industrial temperature ranges, typically from -40°C to +125°C.
The L78L12ACUTR is commonly used in electronic devices for stable voltage regulation in power supply circuits, ensuring consistent performance across various applications.

Pinout

The L78L12ACUTR is a three-terminal positive voltage regulator. It typically comes in a SOT-89 package. It provides a fixed output voltage of 12V. The device is designed to provide a constant output current of up to 100mA, with built-in protections like thermal shutdown and short-circuit protection.
The pin count for the SOT-89 package version is 3 pins:
1. Input (Vin): This is the pin where the unregulated input voltage is applied. It should be higher than the desired output voltage, typically requiring a few volts headroom to function properly.

2. Ground (GND): This is the common ground pin for both the input and output voltages.
3. Output (Vout): This pin provides the regulated output voltage of 12V.
The L78L12ACUTR is widely used in applications requiring a small form factor and low current, such as powering small circuits or as a post-regulator in more complex power supply designs.

Manufacturer

The L78L12ACUTR is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland. The company is known for designing and producing a wide range of products, including microcontrollers, sensors, power management chips, and various integrated circuits used in different applications across industries such as automotive, industrial, personal electronics, and communications. As a leading player in the semiconductor industry, STMicroelectronics focuses on innovation and sustainability, aiming to provide efficient and reliable solutions to its customers worldwide.

Application

The L78L12ACUTR is a voltage regulator IC typically used for providing a stable 12V output from a higher input voltage. Its application areas include:
1. Power Supply Circuits: Used to regulate voltage for microcontrollers and other electronic components.
2. Consumer Electronics: Provides stable power for devices like TVs, audio equipment, and gaming consoles.
3. Industrial Automation: Powers sensors and control circuits with precision.
4. Telecommunication Equipment: Ensures reliable power in communication devices.
5. Embedded Systems: Used in embedded applications for consistent voltage levels.
Its compact size and reliable performance make it suitable for a wide range of low-power applications.

Package

The L78L12ACUTR is a voltage regulator in a SOT-89 package. This package type is a small, surface-mount transistor outline that provides efficient heat dissipation and compact size, making it suitable for space-constrained applications.

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