MAX5081ATE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: TDFN-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 150mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5081ATE has a total of 8 pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. SW: Switching node pin
7. PGND: Power ground pin
8. BST: Bootstrap capacitor pin

Functional Features

• High efficiency power conversion
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Soft-start functionality for smooth power-up

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Small package size enables space-saving designs - Overcurrent and thermal protection ensure device safety

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The MAX5081ATE is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter architecture. The device operates in pulse-width modulation (PWM) mode, adjusting the duty cycle of the switching transistor to regulate the output voltage. The enable pin allows for easy on/off control, while the feedback pin provides voltage regulation feedback.

Detailed Application Field Plans

The MAX5081ATE is commonly used in various applications that require efficient power management. Some potential application fields include:

1. Portable electronic devices: Smartphones, tablets, and portable media players can benefit from the low power consumption and small package size of the MAX5081ATE.
2. Battery-powered systems: Devices powered by batteries, such as wireless sensors and IoT devices, can utilize the wide input voltage range and low quiescent current of the MAX5081ATE.
3. Industrial equipment: The voltage regulator can be employed in industrial automation systems, motor control circuits, and other power-sensitive applications.

Detailed and Complete Alternative Models

• MAX5080ATE: Similar specifications and features, but with a different package (TDFN-10)
• MAX5082ATE: Higher maximum output current (800mA), suitable for higher-power applications
• MAX5083ATE: Lower dropout voltage (100mV at 500mA), ideal for low input voltage scenarios

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