MAX5079EUD+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX5079EUD+ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for voltage regulation and power management applications.

Characteristics

• The MAX5079EUD+ is a highly efficient voltage regulator with low dropout voltage.
• It offers excellent line and load transient response.
• This IC operates over a wide input voltage range, making it suitable for various applications.
• It provides adjustable output voltage with high accuracy.
• The MAX5079EUD+ has built-in protection features such as thermal shutdown and current limit.

Package

The MAX5079EUD+ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the MAX5079EUD+ lies in its ability to regulate voltage efficiently and accurately, while offering protection features.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to VIN
• Dropout Voltage: 150mV at 500mA Load Current
• Line Regulation: ±0.05% (Typical)
• Load Regulation: ±0.1% (Typical)
• Quiescent Current: 50µA (Typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5079EUD+ has the following pin configuration:

1. GND (Ground)
2. FB (Feedback)
3. EN (Enable)
4. VOUT (Output Voltage)
5. VIN (Input Voltage)

Functional Features

• High Efficiency: The MAX5079EUD+ offers high efficiency, minimizing power dissipation and maximizing battery life.
• Adjustable Output Voltage: The output voltage can be adjusted to meet specific requirements of the application.
• Excellent Line and Load Transient Response: This IC maintains stable output voltage even under varying input and load conditions.
• Built-in Protection Features: The MAX5079EUD+ includes thermal shutdown and current limit protection, ensuring safe operation.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Adjustable output voltage allows flexibility in design.
• Excellent line and load transient response ensures stability.
• Built-in protection features enhance reliability.

Disadvantages

• Limited input voltage range (2.5V to 5.5V).
• Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The MAX5079EUD+ operates as a linear voltage regulator. It regulates the output voltage by comparing it with a reference voltage and adjusting the pass transistor accordingly. The feedback pin (FB) plays a crucial role in this process, providing the necessary information for voltage regulation.

Detailed Application Field Plans

The MAX5079EUD+ finds applications in various fields, including but not limited to: 1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable media players. 2. Industrial automation: Used in control systems and sensors that require stable power sources. 3. Automotive electronics: Suitable for powering infotainment systems, navigation devices, and other automotive electronics. 4. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, extending battery life.

Detailed and Complete Alternative Models

1. LM1117-ADJ: A popular alternative with similar specifications and adjustable output voltage.
2. LT1763-ADJ: Offers low dropout voltage and adjustable output voltage.
3. TPS7A4700: Provides high accuracy voltage regulation and low quiescent current.

These alternative models can be considered based on specific requirements and availability.

In conclusion, the MAX5079EUD+ is a highly efficient voltage regulator IC with adjustable output voltage and built-in protection features. It finds applications in various fields, including portable electronic devices, industrial automation, automotive electronics, and IoT devices. While it has limitations such as limited input voltage range, its advantages outweigh the disadvantages. Alternative models like LM1117-ADJ, LT1763-ADJ, and TPS7A4700 offer similar functionalities and can be considered as alternatives.