MAX867EUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX867EUA+ belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a low-dropout linear regulator, providing a stable output voltage for various electronic devices.

Characteristics

• Low dropout voltage: The MAX867EUA+ exhibits a low dropout voltage, ensuring efficient power delivery even when the input voltage is close to the desired output voltage.
• High output current capability: This IC can handle high output currents, making it suitable for powering a wide range of electronic components.
• Adjustable output voltage: The MAX867EUA+ allows users to adjust the output voltage according to their specific requirements.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.

Package

The MAX867EUA+ comes in a small 8-pin micro-DFN package, which offers compactness and ease of integration into various circuit designs.

Essence

The essence of the MAX867EUA+ lies in its ability to regulate and stabilize voltages, ensuring reliable and consistent power supply to connected devices.

Packaging/Quantity

This product is typically available in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX867EUA+ features the following 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. GND (Ground)

Functional Features

• Low dropout voltage ensures efficient power delivery.
• Adjustable output voltage allows for flexibility in various applications.
• Thermal shutdown protection prevents damage due to excessive heat.
• High output current capability enables the powering of a wide range of electronic components.

Advantages and Disadvantages

Advantages

• Compact package size facilitates integration into space-constrained designs.
• Wide input voltage range provides versatility in different power supply scenarios.
• Low quiescent current minimizes power consumption during standby or idle states.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• The absence of built-in overcurrent protection may require additional circuitry for certain applications.

Working Principles

The MAX867EUA+ operates as a low-dropout linear regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals, ensuring a stable output voltage even when the input voltage fluctuates. This is achieved through a combination of internal circuitry and feedback control mechanisms.

Detailed Application Field Plans

The MAX867EUA+ 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, sensors, and actuators that require stable power sources. 3. Automotive electronics: Suitable for powering infotainment systems, navigation units, and other automotive electronics. 4. IoT devices: Enables reliable power delivery to connected devices in smart homes, wearables, and other IoT applications.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to the MAX867EUA+.
3. ADP3339: Provides adjustable output voltage and enhanced thermal protection features.

In conclusion, the MAX867EUA+ is a versatile low-dropout linear regulator that offers stable power supply for various electronic devices. Its compact size, adjustable output voltage, and thermal protection make it suitable for a wide range of applications. However, its limited maximum output current and lack of built-in overcurrent protection may restrict its use in certain high-power scenarios.