MAX684EUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX684EUA+ belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

The MAX684EUA+ comes in a small 8-pin micro package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

The MAX684EUA+ 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: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND (Ground)
2. FB (Feedback)
3. EN (Enable)
4. NC (No Connection)
5. VOUT (Output Voltage)
6. VOUT (Output Voltage)
7. VIN (Input Voltage)
8. BYP (Bypass Capacitor)

Functional Features

• High Precision Regulation: The MAX684EUA+ provides accurate and stable voltage regulation, ensuring reliable performance of connected electronic devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output voltage 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 easily adjusted using external resistors, allowing flexibility in different circuit requirements.
• Current Limiting and Thermal Shutdown Protection: The MAX684EUA+ incorporates current limiting and thermal shutdown protection mechanisms to prevent damage to the device and connected components.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance.
• Low dropout voltage allows for stable output even with varying input voltages.
• Wide input voltage range makes it versatile for different applications.
• Adjustable output voltage provides flexibility in circuit design.
• Current limiting and thermal shutdown protection enhance device safety.

Disadvantages

• Limited maximum output current of 150mA may not be sufficient for power-hungry applications.
• The small package size may require careful handling during assembly.

Working Principles

The MAX684EUA+ operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal pass transistor accordingly to maintain a stable output voltage. The device regulates the voltage by dissipating excess energy as heat.

Detailed Application Field Plans

The MAX684EUA+ finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with similar features.
2. LT1084: High-current, low-dropout voltage regulator suitable for demanding applications.
3. LM1117: Low dropout voltage regulator available in various fixed output voltage options.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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