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LM79L05ACMX

Name: LM79L05ACMX
Rating: 4.7 (12 reviews)

IC REG LINEAR -5V 100MA 8-SOIC

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資料表 LM79L05ACMX DataSheet
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規格

Part Status	Not For New Designs
Output Configuration	Negative
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	-35V
Voltage - Output (Min/Fixed)	-5V
Current - Output	100mA
Current - Quiescent (Iq)	6 mA
PSRR	50dB (120Hz)
Protection Features	Over Temperature, Short Circuit
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	LM79L05

概述

Description

The LM79L05ACMX is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of -5V with a maximum output current of 100 mA. It is part of the LM79 series, which is characterized by its ability to deliver negative voltage regulation. The device features a thermal shutdown and current limiting for enhanced protection.
The LM79L05ACMX is commonly used in various applications, including powering analog circuits, signal processing, and other devices requiring a negative voltage supply. It operates over a wide input voltage range, typically from -7V to -25V, ensuring compatibility with different power sources.
The package type, indicated by "ACMX," refers to a small outline package (SOIC-8), making it suitable for space-constrained applications. Overall, the LM79L05ACMX is a reliable choice for designers needing a compact, efficient solution for negative voltage regulation in electronic circuits.

Features

The LM79L05ACMX is a low-dropout linear voltage regulator designed to provide a stable output voltage of -5V. Key features include:
1. Input Voltage Range: The device operates with an input voltage range of -7V to -25V.
2. Output Current: It can deliver a maximum output current of 100 mA, making it suitable for low-power applications.
3. Low Dropout Voltage: The dropout voltage is typically around 0.5V, allowing for efficient operation even with a small difference between input and output voltage.
4. Thermal Protection: Built-in thermal shutdown prevents damage in case of overheating.
5. Short Circuit Protection: The regulator includes short-circuit protection to safeguard against excessive current draw.
6. Compact Package: Available in a surface-mount SO-8 package, facilitating space-saving designs.
7. Noise Performance: Designed to offer low output noise, making it suitable for sensitive electronics.
Overall, the LM79L05ACMX is ideal for powering negative voltage rails in various electronic applications.

Package

The LM79L05ACMX is typically packaged in a TO-220 package type. This package is designed for efficient heat dissipation, making it suitable for voltage regulation applications.

Pinout

The LM79L05ACMX is a low-dropout voltage regulator that typically comes in a 5-pin package. Its pin configuration and functions are as follows:
1. Input (Vin): This pin connects to the input voltage, which should be higher than the output voltage by a certain dropout voltage.
2. Ground (GND): This pin is connected to the ground reference of the circuit.
3. Output (Vout): This pin provides the regulated output voltage, which is typically -5V for the LM79L05.
4. Adjust (Adj): This pin is used for setting the output voltage (if the device is adjustable); however, for fixed output versions, it may not be connected or used.
5. NC (No Connect): This pin does not have any function and should be left unconnected.
The LM79L05ACMX is commonly used for providing a stable -5V output in various electronic applications.

Manufacturer

The LM79L05ACMX is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and embedded processing chips. The company is known for its innovations in integrated circuits and its contributions to various industries, including automotive, industrial, consumer electronics, and communication systems. TI is a key player in the semiconductor industry, recognized for its commitment to reliability and performance in electronic components.

Application

The LM79L05ACMX is a low-dropout voltage regulator that provides a fixed output voltage of -5V. Its application areas include powering negative voltage rails in analog circuits, telecommunication equipment, automotive electronics, and embedded systems. It is commonly used in conjunction with positive voltage regulators to ensure dual supply operations, as well as in low-voltage logic applications and battery-powered devices requiring a stable negative voltage.

Equivalent

The LM79L05ACMX voltage regulator is equivalent to the following products:
1. LM7905
2. L79L05
3. MC79L05
4. LP79L05
These components provide similar functionality, offering negative voltage regulation. Always verify specific electrical characteristics to ensure compatibility for your application.