LM7812CT/NOPB

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LM7812CT/NOPB

+BOM

IC REG LINEAR 12V 1A TO220-3

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  • 제조업체 부품 #LM7812CT/NOPB

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90-판매 후 1일 보증

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사양

속성 가치
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min / Fixed) 12V
Voltage Dropout (Max) 2V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 8 mA
PSRR 72dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220-3
Base Product Number LM7812

개요

Description

The LM7812CT/NOPB is a fixed-output voltage regulator from the LM78xx series, designed to provide a stable 12V output with up to 1.5A of output current. Manufactured by Texas Instruments, it is widely used in electronics for providing a reliable power supply to circuits requiring a 12V DC source. The device features built-in protection against overcurrent and thermal overload, ensuring the safety and reliability of connected circuits. It comes in a TO-220 package, which is suitable for mounting on a heatsink to dissipate excess heat generated during operation. The "NOPB" designation indicates that it is a lead-free device, aligning with environmental and safety standards. Common applications include power supplies for electronic devices, microcontroller-based projects, and components requiring regulated voltage inputs. Its ease of use and integration, along with its robust performance, make it a popular choice among hobbyists and professionals alike.

Equivalent

The LM7812CT/NOPB is a 12V voltage regulator. Equivalent products include:
1. L7812CV by STMicroelectronics
2. KA7812 by ON Semiconductor
3. MC7812 by Texas Instruments
4. NTE960 by NTE Electronics
5. UA7812 by Fairchild Semiconductor
These are all 12V linear voltage regulators with similar ratings and pin configurations, making them suitable substitutes in most applications.

Features

The LM7812CT/NOPB is a voltage regulator that provides a fixed 12V output. Key features include:
1. Output Voltage: It delivers a stable 12V output.
2. Current Capability: Supports up to 1.5A output current, making it suitable for a variety of applications.
3. Thermal Protection: Includes built-in overheating protection to prevent damage from excessive heat.
4. Short-Circuit Protection: Offers safety against short circuits by limiting the current.
5. Input Range: Operates with an input voltage range typically from 14.5V to 35V.
6. Low Quiescent Current: Consumes minimal current when idle, enhancing efficiency.
7. Ease of Use: Requires minimal external components, simplifying circuit design.
8. Standard Package: Comes in a TO-220 package, which is widely used and easy to handle.
9. Reliability: Ensures stable performance with low output noise and high ripple rejection.
The LM7812CT/NOPB is commonly used in power supplies and electronic devices requiring a consistent 12V DC supply.

Pinout

The LM7812CT/NOPB is a voltage regulator integrated circuit designed to provide a stable 12V output from a higher voltage input. It is a part of the 78XX series of voltage regulators. This particular model has three pins:
1. Input (Pin 1): This pin receives the unregulated input voltage. It must be at least a couple of volts higher than the desired output voltage to ensure proper regulation.
2. Ground (Pin 2): This pin is connected to the ground (common) circuit. It serves as the reference point for the output voltage.
3. Output (Pin 3): This pin provides the regulated 12V output. It supplies current to the load while maintaining a stable voltage.
The LM7812CT/NOPB is typically used in various electronic applications where a constant 12V output is needed, such as in power supplies for electronic devices. It features built-in protection against overheating and overcurrent, ensuring reliable operation.

Manufacturer

The LM7812CT/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronics solutions. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing applications. The company serves diverse markets, including industrial, automotive, personal electronics, and communications equipment, offering products such as amplifiers, data converters, digital signal processors, and power management devices. Texas Instruments is recognized for its emphasis on engineering and technology development, providing reliable and efficient solutions for various electronic applications.

Application

The LM7812CT/NOPB is a linear voltage regulator that provides a stable 12V output, commonly used in a variety of applications. These include power supply circuits, where it converts higher voltage inputs down to a stable 12V for electronics. It's used in consumer electronics, automotive systems, and telecommunications to ensure consistent voltage. The component is also utilized in DIY electronics projects and prototyping, offering reliability for hobbyists. Additionally, it finds applications in industrial equipment and instrumentation, where stable voltage is critical for accurate performance and safety. Its ability to drive significant current makes it useful in power distribution for embedded systems and microcontroller-based projects.

Package

The LM7812CT/NOPB is a voltage regulator that comes in a TO-220 package type. This package is commonly used for power semiconductors and features three leads, with a large metal tab for heat dissipation, making it suitable for mounting on a heatsink.

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