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MC79L12ACDR

Name: MC79L12ACDR
Rating: 4.7 (12 reviews)

IC REG LINEAR -12V 100MA 8-SOIC

Производитель
Мфр. Часть #MC79L12ACDR
Пакет
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Спецификации

Part Status	Active
Output Configuration	Negative
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	-27V
Voltage - Output (Min/Fixed)	-12V
Voltage Dropout (Max)	1.7V @ 40mA
Current - Output	100mA
PSRR	42dB (120Hz)
Protection Features	Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	MC79L12

Обзор

Description

The MC79L12ACDR is a low-dropout voltage regulator (LDO) designed to provide a stable output voltage of -12V. It is part of the MC79L series, which is known for its ability to deliver reliable performance in various electronic applications. This component features a maximum output current of 100 mA and operates with a dropout voltage of typically 0.1V at full load, making it suitable for battery-powered devices and other applications requiring minimal voltage loss.
The MC79L12ACDR includes built-in short-circuit protection and thermal shutdown capabilities, enhancing its reliability and safety in circuits. It requires minimal external components for operation, simplifying design. The device is available in a 3-pin TO-220 package, which allows for effective heat dissipation.
Common applications include powering analog circuits, sensors, and other electronic devices that require a stable negative voltage supply. Overall, the MC79L12ACDR is an efficient choice for circuits needing reliable negative voltage regulation.

Features

The MC79L12ACDR is a low dropout (LDO) voltage regulator designed to provide a stable output voltage of 12V with a maximum output current of 1A. Key features include:
1. Low Dropout Voltage: Typically around 0.5V, allowing operation with minimal input-output voltage difference.
2. Thermal Overload Protection: Prevents damage due to overheating.
3. Short-Circuit Protection: Provides protection against short-circuit conditions.
4. Wide Input Voltage Range: Accepts input voltages up to 35V, making it versatile for various applications.
5. Low Quiescent Current: Efficient operation with low power consumption, ideal for battery-powered devices.
6. Stable Output Voltage: Maintains regulated output voltage under varying load conditions.
7. TO-220 Package: Offers good thermal performance and ease of mounting.
These attributes make the MC79L12ACDR suitable for applications in consumer electronics, automotive, and industrial systems where reliable voltage regulation is essential.

Package

The MC79L12ACDR is packaged in a "SOT-223" (Small Outline Transistor) format. This surface-mount package is commonly used for voltage regulator applications due to its compact size and efficient thermal performance.

Pinout

The MC79L12ACDR is a voltage regulator with a pin count of 3. It is part of the MC79Lxx series of low-dropout voltage regulators. The primary function of the MC79L12ACDR is to provide a stable -12V output voltage from a higher input voltage.
The pin configuration is as follows:
1. Input (Pin 1): This pin receives the input voltage, which must be more negative than -12V.
2. Ground (Pin 2): This pin is connected to the ground or common reference point of the circuit.
3. Output (Pin 3): This pin outputs a regulated -12V voltage.
The regulator is designed for low current applications, typically up to 100mA, and features built-in thermal overload protection and short-circuit protection.

Manufacturer

The MC79L12ACDR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing. Founded in 1930, TI is known for its innovations in the electronics industry, including calculators, digital signal processors, and microcontrollers. The company serves a diverse range of markets, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its commitment to research and development, contributing to advancements in technology and providing solutions that enhance performance and efficiency in electronic devices.

Application

The MC79L12ACDR is a low-dropout voltage regulator used in various applications requiring stable output voltage. It is commonly found in consumer electronics, embedded systems, automotive electronics, and power management circuits. Its features make it suitable for powering microcontrollers, sensors, and low-power devices, providing reliable voltage regulation while minimizing heat generation.

Equivalent

The MC79L12ACDR is a linear voltage regulator that outputs -12V. Equivalent products include the LM79-12, LP79L12, and LM792-12. These devices also provide negative voltage regulation at similar specifications. Always verify the specific parameters like current rating and thermal characteristics before substituting.

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