NJM7812FA

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NJM7812FA

IC REG LINEAR 12V 1.5A TO220F

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  • Mfr. Parte #NJM7812FA
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  • En stock3576

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Especificaciones

Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 12V
Current - Output 1.5A
Current - Quiescent (Iq) 6 mA
PSRR 71dB (120Hz)
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package / Case TO-220-3 Full Pack
Supplier Device Package TO-220F
Base Product Number NJM7812

Descripción general

Description

The NJM7812FA is a popular linear voltage regulator that provides a fixed output voltage of 12V with a maximum output current of 1A. It is designed to deliver stable and reliable power, making it suitable for various electronic applications, including power supplies for radios, microcontrollers, and other devices requiring a steady voltage.
Key features of the NJM7812FA include low dropout voltage, thermal overload protection, and short-circuit protection, which ensure safe and efficient operation. The device typically operates with an input voltage range of 14V to 30V, allowing for flexibility in design.
The NJM7812FA comes in different packaging options, including TO-220 and DPAK, making it easy to integrate into different circuit layouts. Its simplicity, along with minimal external components required, makes it a popular choice among engineers and hobbyists for regulating voltage in various electronic projects.

Features

The NJM7812FA is a low-dropout voltage regulator designed to provide a stable output voltage of 12V. Key features include:
1. Output Voltage: Fixed output of 12V with a tolerance of ±1.5%.
2. Output Current: Capable of delivering up to 1.5A of continuous output current.
3. Dropout Voltage: Low dropout voltage of typically 0.1V at 1A, allowing for efficient operation with minimal input-output voltage difference.
4. Thermal Protection: Built-in thermal overload protection prevents damage from overheating.
5. Short-Circuit Protection: Internal short-circuit protection safeguards against output short-circuits.
6. Ripple Rejection: High power supply rejection ratio (PSRR) helps maintain stable output under varying input conditions.
7. Package Type: Available in a TO-220 package, facilitating easy mounting and heat dissipation.
This regulator is ideal for powering analog circuits, microcontrollers, and other devices requiring a stable 12V power supply.

Package

The NJM7812FA is typically packaged in a DPAK (TO-252) or similar surface-mount package, which allows for efficient thermal dissipation and compact design in electronic circuits.

Pinout

The NJM7812FA is a linear voltage regulator that provides a stable output of +12V with a maximum output current of 1A. It typically features a 5-pin configuration in the TO-220 package. The pinout and functions are as follows:
1. Input (Pin 1): This pin accepts the unregulated input voltage, which should be higher than 12V and within the specified limits.
2. Ground (Pin 2): This pin is connected to the circuit ground to complete the electrical connection.
3. Output (Pin 3): This pin provides the regulated +12V output voltage.
4. Adjustment (Pin 4): This pin is used for fine-tuning the output voltage if required (usually not needed for fixed voltage versions).
5. Tab (Pin 5): The tab serves as a heat sink connection to dissipate heat generated during operation.
The NJM7812FA is widely used in power supply applications for its simplicity and reliability.

Manufacturer

The NJM7812FA is manufactured by New Japan Radio Co., Ltd., commonly referred to as NJR. NJR is an established semiconductor company based in Japan, specializing in the design and production of integrated circuits (ICs), analog devices, and other electronic components. The company is known for its high-quality products, particularly in the fields of audio, automotive, and communications applications. NJR focuses on innovation and has a diverse portfolio that includes voltage regulators, operational amplifiers, and various analog and mixed-signal ICs. Established in 1959, NJR has a long history in the semiconductor industry, catering to a global market with its reliable and efficient electronic solutions.

Application

The NJM7812FA is a low-dropout (LDO) voltage regulator primarily used in power supply circuits to provide a stable +12V output. Its application areas include use in consumer electronics, telecommunications equipment, automotive electronics, and industrial automation systems. It is suitable for powering microcontrollers, sensors, and other low-power devices that require a regulated voltage source. Its features include thermal protection and short-circuit protection, making it reliable for various applications.

Equivalent

The NJM7812FA is a linear voltage regulator that provides a fixed output of 12V. Equivalent products include LM7812, LT1084, LM317 (adjustable), and MCP1825. When selecting alternatives, consider specifications such as input voltage range, output current, and thermal performance to ensure compatibility with your application.

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