MAX8864SEUK+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, high-efficiency, low quiescent current
• Package: SOT23-5
• Essence: Power management solution for portable electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8864SEUK+T has a SOT23-5 package with the following pin configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN) ```

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output differentials.
• High output current capability allows for powering various components in portable electronic devices.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Compact SOT23-5 package enables space-saving designs. - Wide input voltage range accommodates different power sources. - High efficiency results in longer battery life. - Excellent line and load regulation for stable output voltage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The MAX8864SEUK+T is a low-dropout linear voltage regulator. It regulates the input voltage to a stable output voltage, providing power to electronic devices. The device uses a feedback mechanism to continuously adjust the internal pass transistor, compensating for changes in load and input voltage. This ensures a constant output voltage despite variations in the input or load conditions.

Detailed Application Field Plans

The MAX8864SEUK+T is commonly used in various portable electronic devices, including: 1. Smartphones and tablets: Provides regulated power to the main processor, memory, and other components. 2. Wearable devices: Powers sensors, displays, and communication modules. 3. Portable audio players: Regulates voltage for audio amplifiers and digital-to-analog converters. 4. GPS navigation systems: Supplies stable power to the GPS receiver and display. 5. Portable medical devices: Ensures reliable power for monitoring and therapeutic equipment.

Detailed and Complete Alternative Models

1. MAX8864SEUK+: Similar to MAX8864SEUK+T but without tape and reel packaging.
2. MAX8864SEUK33+: Variant with fixed 3.3V output voltage.
3. MAX8864SEUK25+: Variant with fixed 2.5V output voltage.
4. MAX8864SEUK18+: Variant with fixed 1.8V output voltage.
5. MAX8864SEUK15+: Variant with fixed 1.5V output voltage.

These alternative models offer different fixed output voltages to suit specific application requirements while maintaining similar characteristics and package options.

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