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MC78M12ABTG

Name: MC78M12ABTG
Rating: 4.7 (12 reviews)

IC REG LINEAR 12V 500MA TO220

제조업체
Mfr.부분 #MC78M12ABTG
패키지
데이터시트 MC78M12ABTG DataSheet
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사양

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

개요

Description

The MC78M12ABTG is a linear voltage regulator designed to provide a stable output voltage of 12V. It belongs to the MC78M series, which features low dropout voltage and a maximum output current of 500mA. This device is designed to convert higher input voltages to a fixed output, ensuring consistent voltage levels for various electronic applications.
Key features include thermal overload protection, short circuit protection, and a wide input voltage range, typically up to 35V. The MC78M12ABTG is commonly used in power supply circuits for microcontrollers, sensors, and other low-power devices, making it suitable for both hobbyist projects and professional applications.
The package type is usually TO-220 or equivalent, facilitating easy heat dissipation. Its simplicity and reliability make it a popular choice among engineers and designers needing a straightforward voltage regulation solution.

Features

The MC78M12ABTG is a linear voltage regulator that provides a fixed output voltage of 12V. Key features include:
1. Input Voltage Range: Accepts input voltages up to 35V.
2. Output Current: Capable of delivering up to 1.5A of output current.
3. Low Dropout Voltage: Ensures stable performance with a low dropout voltage, typically around 1.5V at maximum load.
4. Thermal Overload Protection: Includes built-in thermal shutdown to prevent damage from overheating.
5. Short Circuit Protection: Features current limiting to protect against short circuits.
6. High Ripple Rejection: Provides excellent ripple rejection for stable output.
7. TO-220 Package: Comes in a TO-220 package for easy heat dissipation and mounting.
8. Robust Performance: Designed to operate in various temperature ranges, ensuring reliability in diverse applications.
This device is commonly used in power supply circuits for consumer electronics, industrial equipment, and other applications requiring a stable 12V output.

Package

The MC78M12ABTG is typically available in a TO-220 package type. This package features a metal tab for heat dissipation and is designed for through-hole mounting, making it suitable for applications requiring stable voltage regulation.

Pinout

The MC78M12ABTG is a voltage regulator IC with a pin count of 3. Its primary function is to provide a regulated output voltage of +12V with a maximum output current of 1.5A.
Pin Configuration:
1. Input (Vin): This pin receives the unregulated voltage input.
2. Ground (GND): This pin is connected to the ground of the circuit.
3. Output (Vout): This pin provides the regulated +12V output voltage.
The MC78M12ABTG is designed for applications that require a stable power supply, such as in consumer electronics and embedded systems. It features thermal overload protection and short-circuit protection to enhance reliability.

Manufacturer

The MC78M12ABTG is manufactured by ON Semiconductor, a semiconductor company that specializes in producing a wide range of electronic components. ON Semiconductor designs and manufactures various products, including analog, discrete, and power semiconductor devices. The company serves diverse markets such as automotive, industrial, and consumer electronics. Established through a series of mergers and acquisitions, ON Semiconductor has grown to become a significant player in the semiconductor industry, focusing on energy-efficient solutions and advanced technology.

Application

The MC78M12ABTG is a linear voltage regulator designed to provide a stable 12V output. Application areas include power supply regulation for electronic devices, battery chargers, and embedded systems. It's commonly used in consumer electronics, automotive systems, telecommunications equipment, and industrial applications, ensuring consistent voltage for microcontrollers, sensors, and other critical components.

Equivalent

The MC78M12ABTG is a 12V voltage regulator in the TO-220 package. Equivalent products include:
1. LM7812
2. L78M12
3. LM78012
4. LM78M12
5. 78M12
Always check the datasheet for specific requirements, as variations in current rating and thermal characteristics may exist.