MAX8585EUA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8585EUA+ is a voltage regulator IC that provides a regulated output voltage for various electronic devices. It is commonly used in power management applications.

Characteristics: This IC offers high efficiency and low dropout voltage, making it suitable for battery-powered devices. It operates over a wide input voltage range and can deliver a stable output voltage with minimal ripple.

Package: The MAX8585EUA+ is available in a small 8-pin micro-DFN package, which allows for space-saving integration into compact electronic designs.

Essence: The essence of the MAX8585EUA+ lies in its ability to regulate voltage efficiently, ensuring stable power supply to electronic devices.

Packaging/Quantity: The MAX8585EUA+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.2V to 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 300mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8585EUA+ features the following pin configuration:

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

Functional Features

• High Efficiency: The MAX8585EUA+ offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Short-Circuit Protection: The MAX8585EUA+ includes built-in short-circuit protection, safeguarding the device and connected components from damage in case of a fault.
• Thermal Shutdown: To prevent overheating, the IC incorporates thermal shutdown circuitry that disables the regulator if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Short-circuit protection - Thermal shutdown feature

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The MAX8585EUA+ operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The regulator continuously monitors the input voltage and adjusts its internal components to provide a regulated output voltage within the specified range.

Detailed Application Field Plans

The MAX8585EUA+ finds applications in various electronic devices that require a stable power supply. Some potential application fields include: 1. Mobile phones and smartphones 2. Portable media players 3. Digital cameras 4. Handheld gaming consoles 5. Wireless communication devices

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to the MAX8585EUA+.
3. TPS79633: Provides adjustable output voltage and higher maximum output current.

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

In conclusion, the MAX8585EUA+ is a voltage regulator IC that provides efficient and stable power supply for various electronic devices. Its high efficiency, low dropout voltage, and built-in protection features make it suitable for battery-powered applications. With its compact package and wide input voltage range, the MAX8585EUA+ offers flexibility in design and integration.