MAX8877EUK42+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• 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: 4.2V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8877EUK42+T has a total of five pins arranged as follows:

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| | --| VOUT | --| GND | --| EN | --| FB | --| VIN | |___________| ```

1. VOUT: Output Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VIN: Input Voltage

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability of up to 500mA.
• Wide input voltage range allows for versatile applications.
• Enable pin provides control over the regulator's operation.
• Feedback pin enables precise output voltage regulation.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in high efficiency. - Compact SOT23-5 package allows for space-saving designs. - Wide input voltage range accommodates various power sources.

Disadvantages: - Limited maximum output current compared to some alternatives. - Requires external components for stability and filtering.

Working Principles

The MAX8877EUK42+T is a low dropout voltage regulator that provides a stable output voltage of 4.2V from an input voltage range of 2.5V to 6.5V. It utilizes a feedback mechanism to regulate the output voltage and maintain it at the desired level. The enable pin allows for control over the regulator's operation, enabling power-saving modes when necessary. The low dropout voltage ensures efficient power conversion by minimizing power dissipation.

Detailed Application Field Plans

The MAX8877EUK42+T finds applications in various electronic devices where a stable 4.2V power supply is required. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, and portable media players.
2. Wearable Devices: Fitness trackers, smartwatches, and health monitors.
3. IoT Devices: Wireless sensors, smart home devices, and connected appliances.
4. Industrial Equipment: Measurement instruments, control systems, and automation devices.
5. Automotive Electronics: Infotainment systems, navigation units, and dashboard displays.

Detailed and Complete Alternative Models

1. LM1117-4.2: Low dropout voltage regulator with a fixed 4.2V output.
2. LT1763-4.2: High-performance LDO regulator with a 4.2V output.
3. TPS73601DBVR: Ultra-low quiescent current LDO regulator with a 4.2V output.
4. MCP1700-4202E/TO: Low-cost LDO regulator with a 4.2V output.
5. ADP3339AKCZ-4.2RL7: High-accuracy LDO regulator with a 4.2V output.

(Note: These alternative models are provided as examples and may have different specifications and features.)

This concludes the encyclopedia entry for the MAX8877EUK42+T voltage regulator.