MAX8877EUK25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, High Output Current
• Package: SOT-23-5
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.1%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8877EUK25+T has a total of five pins:

1. VIN: Input voltage pin.
2. GND: Ground reference pin.
3. EN: Enable pin for turning the regulator on/off.
4. FB: Feedback pin for setting the output voltage.
5. VOUT: Output voltage pin.

Functional Features

• Low dropout voltage allows efficient regulation even with low input voltages.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High output current capability enables driving power-hungry loads.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package offers space-saving benefits. - Wide input voltage range allows flexibility in various applications. - Low dropout voltage minimizes power dissipation. - Low quiescent current prolongs battery life. - High output current capability suits a wide range of load requirements.

Disadvantages: - Fixed output voltage limits flexibility in certain applications. - Limited thermal dissipation due to small package size.

Working Principles

The MAX8877EUK25+T is a low dropout linear voltage regulator. It regulates the input voltage to a fixed 2.5V output voltage. The device utilizes a PNP pass transistor and a feedback loop to maintain a stable output voltage despite variations in input voltage and load conditions. The enable pin allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The MAX8877EUK25+T finds applications in various fields, including but not limited to:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current, extending battery life.
2. Industrial Equipment: The high output current capability makes it suitable for powering sensors, actuators, and other components in industrial automation systems.
3. Automotive Electronics: The wide input voltage range and robust design make it suitable for automotive applications, including infotainment systems, lighting controls, and power management modules.
4. Medical Devices: The low quiescent current and compact package make it ideal for medical devices that require long battery life and small form factors.
5. IoT Devices: Internet of Things (IoT) devices, such as smart home devices and wireless sensors, can benefit from the low power consumption and small footprint of the MAX8877EUK25+T.

Detailed and Complete Alternative Models

1. MAX8887EUK25+: Similar to MAX8877EUK25+T, but with an adjustable output voltage.
2. MAX8867EUK25+: Low dropout voltage regulator with a fixed 2.5V output voltage, but in a different package (SOT-23-6).
3. MAX8897EUK25+: Higher output current variant (up to 1A) with a fixed 2.5V output voltage.

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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