MAX8875EUK50+T

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low-dropout linear regulator, 500mA output current, fixed 5.0V output voltage
• Package: SOT23-5
• Essence: Provides stable and regulated power supply for various electronic devices
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 5.0V (±2% accuracy)
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8875EUK50+T has a total of five pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable (active high) --| NC NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Fixed 5.0V output voltage provides a stable power supply.
• Enable pin allows for easy on/off control of the regulator.
• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption in standby mode.

Advantages and Disadvantages

Advantages

• Compact SOT23-5 package allows for space-saving integration.
• High output current capability supports a wide range of applications.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown and current limit protection enhance device reliability.

Disadvantages

• Fixed output voltage may not be suitable for applications requiring adjustable voltage.
• Limited number of pins restricts additional functionality without external circuitry.

Working Principles

The MAX8875EUK50+T is a low-dropout linear regulator that regulates the input voltage to a fixed 5.0V output voltage. It utilizes a PNP pass transistor to achieve low dropout voltage, enabling efficient power conversion even when the input voltage is close to the desired output voltage. The enable pin allows the user to control the regulator's operation by providing a logic high signal to enable it.

Detailed Application Field Plans

The MAX8875EUK50+T finds applications in various electronic devices where a stable and regulated 5.0V power supply is required. Some potential application fields include:

1. Battery-powered portable devices: Provides regulated power for microcontrollers, sensors, and other components.
2. Industrial automation: Suitable for powering control systems, sensors, and communication modules.
3. Automotive electronics: Supports stable power supply for infotainment systems, navigation devices, and lighting controls.
4. IoT devices: Enables reliable power delivery to wireless modules, sensors, and edge computing devices.
5. Consumer electronics: Used in audio/video equipment, gaming consoles, and home automation systems.

Detailed and Complete Alternative Models

1. LM1117-5.0: Low dropout linear regulator with similar specifications and package.
2. LT1763-5.0: Ultra-low dropout linear regulator offering higher output current capability.
3. TPS7A4700: Adjustable linear regulator with low dropout voltage and high PSRR.
4. AP2112-5.0: Low dropout linear regulator with integrated thermal shutdown and current limit protection.

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

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