MC78M12ABTG

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MC78M12ABTG

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IC REG LINEAR 12V 500MA TO220

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Especificações

Atributo Valor
Part Status Obsolete
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 12V
Current - Output 500mA
PSRR 80dB (120Hz)
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220
Base Product Number MC78M12

Visão Geral

Description

The MC78M12ABTG is a linear voltage regulator designed to provide a stable output voltage of 12V with a maximum output current of 500mA. It is part of the MC78xx series, known for its reliability and ease of use in various electronic applications. This device features thermal overload protection and short-circuit protection, ensuring safe operation under varying load conditions.
The MC78M12ABTG requires only a few external components for operation, typically including input and output capacitors to improve transient response and stability. It operates within a wide input voltage range, allowing it to be used in numerous power supply designs, including consumer electronics, industrial equipment, and automotive applications.
Key specifications include an output voltage tolerance of ±2%, a low dropout voltage, and operational temperatures ranging from -40°C to +125°C. This makes the MC78M12ABTG a versatile choice for designers looking for a robust and efficient voltage regulation solution.

Equivalent

The MC78M12ABTG is a voltage regulator with a fixed output of 12V. Equivalent products include the LM7812, LM78M12, and the LM317 (adjustable variant). Additionally, the L78M12 (from STMicroelectronics) and the MIC7812 (from Microchip) can serve as suitable alternatives. Always verify specifications like output current and thermal performance when selecting a replacement.

Features

The MC78M12ABTG is a voltage regulator designed to provide a stable output voltage of 12V with a maximum output current of 1.5A. Key features include:
1. Input Voltage Range: Accepts input voltages up to 35V, ensuring compatibility with various power sources.
2. Thermal Protection: Integrated thermal shutdown protects the device from overheating.
3. Short-Circuit Protection: Safeguards against short-circuit conditions, enhancing reliability.
4. Low Dropout Voltage: Operates efficiently with a low dropout voltage, minimizing power loss.
5. Wide Temperature Range: Suitable for operating temperatures from -40°C to +125°C, making it versatile for different environments.
6. TO-220 Package: Available in a TO-220 package for easy mounting and heat dissipation.
7. Easy to Use: Requires minimal external components, simplifying design.
These features make the MC78M12ABTG ideal for various applications requiring reliable voltage regulation, such as power supplies and automotive systems.

Pinout

The MC78M12ABTG is a linear voltage regulator with a pin count of 3. Its primary function is to provide a stable output voltage of 12V with a maximum output current of up to 500mA.
The three pins are as follows:
1. Input (Vin): This pin receives the input voltage, which should be higher than 12V for proper regulation.
2. Output (Vout): This pin delivers the regulated 12V output voltage.
3. Ground (GND): This pin serves as the common reference point for the input and output voltages.
The MC78M12ABTG is designed for applications requiring a reliable power supply with low dropout voltage and minimal output noise. It is commonly used in various electronic devices and circuits where a stable 12V supply is needed.

Manufacturer

The MC78M12ABTG is manufactured by ON Semiconductor, a global semiconductor company. ON Semiconductor specializes in a wide range of products, including power management, analog, logic, timing, connectivity, and radio frequency devices. The company focuses on providing innovative solutions for various applications across diverse industries such as automotive, industrial, communications, and consumer electronics.
ON Semiconductor is recognized for its commitment to sustainability and reducing energy consumption in electronic devices. They emphasize the development of energy-efficient products and technologies that support the growing demands for power-efficient solutions in the market. Founded in 1999, ON Semiconductor has grown through strategic acquisitions and continuous innovation, establishing itself as a key player in the semiconductor industry.

Application

The MC78M12ABTG is a voltage regulator that provides a stable output of 12V at a maximum current of 1.5A. Its application areas include:
1. Power Supply Circuits: It is commonly used in electronic devices requiring a regulated 12V power source.
2. Consumer Electronics: Suitable for audio/video equipment, home appliances, and chargers.
3. Microcontroller Systems: Provides power for microcontrollers and peripherals in embedded systems.
4. Industrial Equipment: Used in various industrial applications for reliable power regulation.
5. Automotive Applications: Can be employed in automotive electronic systems for voltage stabilization.
Overall, it's ideal for tasks needing reliable voltage regulation.

Package

The MC78M12ABTG is packaged in a TO-220 form factor, which is a metal tab package commonly used for power regulators. This type offers good thermal performance and is suitable for heat dissipation in various applications.

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