MAX8877EZK28+GF4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limit
• Package: SOT23-5
• Essence: Power management IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.8V
• Output Current: Up to 1A
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8877EZK28+GF4 has a total of five pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. FB: Feedback pin
5. OUT: Output voltage pin

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output differentials.
• High output current capability enables the device to power a wide range of loads.
• Thermal shutdown protection prevents the IC from overheating under excessive operating conditions.
• Short-circuit current limit protects the regulator from damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability makes it suitable for various applications. - Thermal shutdown protection enhances reliability. - Short-circuit current limit safeguards the IC from damage.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Quiescent current of 50µA may not be suitable for ultra-low power applications.

Working Principles

The MAX8877EZK28+GF4 is a voltage regulator that maintains a stable output voltage of 2.8V, regardless of input voltage fluctuations. It achieves this by utilizing a feedback mechanism that compares the output voltage with a reference voltage. The regulator adjusts its internal circuitry to ensure the desired output voltage is maintained.

Detailed Application Field Plans

The MAX8877EZK28+GF4 finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearables.
2. Embedded systems: Suitable for powering microcontrollers, sensors, and other components in embedded systems.
3. Industrial equipment: Used in industrial automation, control systems, and instrumentation.
4. Automotive electronics: Can be employed in automotive modules, infotainment systems, and lighting applications.
5. IoT devices: Enables efficient power management in Internet of Things (IoT) devices.

Detailed and Complete Alternative Models

1. MAX8877EZK33+GF4: Similar to MAX8877EZK28+GF4, but with an output voltage of 3.3V.
2. MAX8877EZK25+GF4: Similar to MAX8877EZK28+GF4, but with an output voltage of 2.5V.
3. MAX8877EZK30+GF4: Similar to MAX8877EZK28+GF4, but with an output voltage of 3.0V.
4. MAX8877EZK27+GF4: Similar to MAX8877EZK28+GF4, but with an output voltage of 2.7V.
5. MAX8877EZK26+GF4: Similar to MAX8877EZK28+GF4, but with an output voltage of 2.6V.

These alternative models provide flexibility in choosing the desired output voltage for specific applications.

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