MC7812CT

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MC7812CT

IC REG LINEAR 12V 1A TO220AB

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規格

Package Tube
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 12V
VoltageDropout(Max) 2V @ 1A (Typ)
Current-Output 1A
Current-Quiescent(Iq) 6.5 mA
PSRR 60dB (1kHz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Through Hole
Package/Case TO-220-3

概述

Description

The MC7812CT is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of 12 volts. It is part of the 78xx series of voltage regulators, which are widely used in electronic circuits for stabilizing voltage supplies. The "CT" in its designation typically refers to a TO-220 package type, which allows for easy mounting and heat dissipation through a heat sink if necessary.
Key features of the MC7812CT include:
1. Output Voltage: Fixed at 12V.
2. Input Voltage: Requires an input voltage higher than 14V for proper regulation.
3. Output Current: Capable of delivering up to 1.5A.
4. Thermal Protection: Includes built-in protection against overheating.
5. Short Circuit Protection: Safeguards against output short circuits.
6. Overcurrent Protection: Prevents excessive current draw.
The MC7812CT is commonly used in power supply designs for electronic applications that require a stable 12V output, such as in consumer electronics, automotive applications, and DIY projects. Its ease of use and reliability make it a popular choice for maintaining consistent voltage levels.

Features

The MC7812CT is a voltage regulator integrated circuit designed to provide a stable 12V output. Here are its key features:
1. Output Voltage: Provides a fixed output voltage of 12V.
2. Current Capability: Can deliver up to 1.5A of output current, suitable for a variety of power supply applications.
3. Input Voltage: Requires an input voltage that is typically at least 3V higher than the output voltage to function properly.
4. Thermal Overload Protection: Includes built-in protection against overheating, which helps prevent damage from excessive thermal conditions.
5. Short-Circuit Protection: Protects against over-current scenarios by limiting the output current and preventing damage.
6. Safe Area Protection: Ensures the device operates safely within its specified limits.
7. Ease of Use: Requires only two external capacitors for stable operation, making it easy to implement in circuits.
8. Package Type: Available in a TO-220 package, which is common for power semiconductors and allows for easy heat dissipation.
9. Reliability: Known for robustness and reliability in various electronic applications, including power supplies, battery chargers, and other DC-to-DC conversion needs.
Overall, the MC7812CT is a versatile and reliable choice for applications requiring a stable 12V power supply.

Package

The MC7812CT is a voltage regulator with a TO-220 package type. This package is commonly used for power semiconductors due to its capability to handle higher power levels and facilitate heat dissipation.

Pinout

The MC7812CT is a voltage regulator integrated circuit with a three-pin configuration. It provides a fixed output voltage of +12V and is part of the 78xx series of voltage regulators, which are commonly used for positive voltage regulation.
Pin Count and Functions:
1. Pin 1 (Input): This is the input pin where an unregulated voltage is applied. The input voltage must be higher than the desired output voltage (typically 14.5V to 35V for the MC7812CT) to ensure proper regulation and performance.
2. Pin 2 (Ground): This is the ground pin, connected to the ground of the circuit. It serves as a reference point for the input and output voltages.
3. Pin 3 (Output): This is the output pin where the regulated +12V voltage is provided. The output voltage remains constant as long as the input voltage and current requirements are within specified limits.
The MC7812CT is used in applications requiring a stable +12V supply, such as powering microcontrollers, sensors, and other low-power electronic components.

Manufacturer

The MC7812CT is a voltage regulator manufactured by several companies, including ON Semiconductor and Texas Instruments. These companies are prominent players in the semiconductor industry, specializing in the design and manufacture of a wide range of electronic components.
ON Semiconductor, headquartered in Phoenix, Arizona, is known for providing energy-efficient solutions and a broad portfolio of semiconductor products that include power and signal management, logic, discrete, and custom devices. Their products are used in automotive, industrial, computing, consumer electronics, and communication applications.
Texas Instruments, based in Dallas, Texas, is another major player in the semiconductor market. They design and manufacture semiconductors and various integrated circuits, which are used in a wide array of electronic devices and systems. Their focus spans multiple sectors including industrial, automotive, personal electronics, and communications.
Both companies are recognized globally for their innovation and contributions to advancements in electronics technology.

Application

The MC7812CT is a voltage regulator commonly used in applications that require a stable 12V output. It is suitable for use in power supply circuits, battery chargers, and electronic devices requiring fixed voltage regulation. Commonly, it is employed in consumer electronics, industrial equipment, and communication devices, providing a reliable power source for analog and digital circuits. Its protection features make it ideal for applications needing thermal overload and short-circuit protection.

Equivalent

The MC7812CT is a voltage regulator that provides a fixed output of 12V. Equivalent products include:
1. LM7812
2. L7812CV
3. UA7812
4. KA7812
5. AN7812
6. NJM7812
These are all 12V, 1A positive voltage regulators with similar pin configurations and performance characteristics. Always check the datasheet for specific details and compatibility.

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