MAX1795EUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1795EUA+ belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Current limiting and thermal shutdown protection

Package

The MAX1795EUA+ comes in a small 8-pin µMAX package.

Essence

This voltage regulator is designed to provide stable and reliable power supply to various electronic devices.

Packaging/Quantity

The MAX1795EUA+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 120mV at 100mA load
• Maximum Output Current: 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1795EUA+ has the following pin configuration:

1. IN - Input voltage pin
2. GND - Ground pin
3. FB - Feedback pin
4. EN - Enable pin
5. SS/TR - Soft-start/Tracking pin
6. OUT - Output voltage pin
7. NC - No connection
8. VCC - Supply voltage pin

Functional Features

• High Efficiency: The MAX1795EUA+ offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device can accept a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet specific requirements.
• Current Limiting and Thermal Shutdown Protection: The MAX1795EUA+ incorporates current limiting and thermal shutdown protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for versatile application.
• Adjustable output voltage provides flexibility.
• Current limiting and thermal shutdown protection enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

The MAX1795EUA+ operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output pins, thereby maintaining a stable output voltage regardless of changes in the input voltage.

Detailed Application Field Plans

The MAX1795EUA+ finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. LM317 - A popular adjustable linear voltage regulator with similar features.
2. LT1084 - A high-current, adjustable linear voltage regulator suitable for demanding applications.
3. TPS7A47 - An ultra-low dropout voltage regulator with high accuracy and low noise.

These alternative models offer similar functionality and can be considered as substitutes for the MAX1795EUA+ depending on specific requirements.

In conclusion, the MAX1795EUA+ is a voltage regulator that provides efficient and reliable voltage regulation for a wide range of electronic devices. Its adjustable output voltage, low dropout voltage, and built-in protection features make it a versatile choice for various applications. However, its limited maximum output current and dropout voltage should be considered when selecting the appropriate regulator for high-power or low-input voltage scenarios.