MAX8877EUK50+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, High Output Current, Small Package Size
• Package: SOT-23-5
• Essence: The MAX8877EUK50+T is a low dropout voltage regulator designed to provide a stable output voltage 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
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8877EUK50+T has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection |___________| ```

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High output current capability enables powering of various electronic components.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages: - Small package size makes it suitable for space-constrained applications. - Low dropout voltage ensures efficient power conversion. - Wide input voltage range allows compatibility with different power sources. - High output current capability provides flexibility in powering various loads.

Disadvantages: - Limited output current may not be sufficient for high-power applications. - No built-in voltage regulation feedback mechanism. - Requires external components for stability and filtering.

Working Principles

The MAX8877EUK50+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The MAX8877EUK50+T is commonly used in various electronic devices that require a stable 5V power supply. Some typical application fields include:

1. Battery-powered portable devices such as smartphones, tablets, and portable media players.
2. Embedded systems and microcontroller-based projects.
3. Industrial control systems and automation equipment.
4. Automotive electronics, including infotainment systems and dashboard displays.
5. Consumer electronics like digital cameras, handheld gaming consoles, and audio devices.

Detailed and Complete Alternative Models

1. MAX8877EUK33+T: Similar to MAX8877EUK50+T, but with an output voltage of 3.3V.
2. MAX8877EUK25+T: Similar to MAX8877EUK50+T, but with an output voltage of 2.5V.
3. MAX8877EUK18+T: Similar to MAX8877EUK50+T, but with an output voltage of 1.8V.
4. MAX8887EUK50+T: A higher output current version of MAX8877EUK50+T, capable of delivering up to 1A.

These alternative models provide flexibility in choosing the appropriate voltage regulator based on specific application requirements.

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