MAX8877EZK25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, high-current, fixed-output voltage regulator
• Package: SOT-23-5
• Essence: Power management solution for various electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Maximum Output Current: 1A
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8877EZK25+T has a total of five pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. OUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for powering various components.
• Fixed output voltage eliminates the need for external voltage regulation.
• Enable pin provides control over the device's operation.
• Bypass capacitor pin enhances stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in minimal power dissipation. - High output current enables the device to handle demanding loads. - Small package size makes it suitable for space-constrained applications. - Fixed output voltage simplifies circuit design.

Disadvantages: - Limited output voltage options restrict its use in certain applications. - Requires an external bypass capacitor for optimal performance.

Working Principles

The MAX8877EZK25+T is a low-dropout voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage and load conditions. It achieves this through a combination of internal circuitry, feedback mechanisms, and control logic.

When the input voltage is within the specified range, the device regulates the output voltage to a fixed 2.5V. The enable pin allows the user to control the device's operation, enabling or disabling the voltage regulation as needed.

To ensure stability and minimize noise, it is recommended to connect a bypass capacitor between the BYP pin and ground.

Detailed Application Field Plans

The MAX8877EZK25+T finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Electronics: Fitness trackers, smartwatches.
3. IoT Devices: Sensors, wireless modules, microcontrollers.
4. Consumer Electronics: Digital cameras, portable gaming consoles.
5. Automotive Electronics: Infotainment systems, navigation devices.

Detailed and Complete Alternative Models

1. MAX8887EZK25+T: Similar to MAX8877EZK25+T but with an adjustable output voltage.
2. MAX8867EZK25+T: Low-dropout voltage regulator with a 2.5V fixed output voltage and higher maximum output current.
3. MAX8897EZK25+T: Voltage regulator with a 2.5V fixed output voltage and additional features such as thermal shutdown and short-circuit protection.

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