MAX8576EUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: µMAX®
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel / 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Maximum Output Current: 500mA
• Quiescent Current: 17µA (typical)
• Dropout Voltage: 150mV at 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8576EUB+T has a total of 10 pins:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. SW: Switching Node
7. PGND: Power Ground
8. SS/TR: Soft-Start/Tracking Pin
9. BST: Boost Capacitor Connection
10. LX: Inductor Connection

Functional Features

• High Efficiency: The MAX8576EUB+T offers high efficiency power conversion, minimizing energy loss.
• Low Quiescent Current: With a low quiescent current of only 17µA, the IC reduces power consumption during standby or idle modes.
• Enable Pin: The EN pin allows for easy on/off control of the voltage regulator.
• Soft-Start/Tracking: The SS/TR pin enables soft-start functionality and voltage tracking capabilities.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for reduced power consumption - Easy on/off control with the enable pin - Soft-start and voltage tracking capabilities - Overcurrent protection for added safety

Disadvantages: - Limited maximum output current of 500mA - Dropout voltage of 150mV at 100mA may affect certain applications

Working Principles

The MAX8576EUB+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 1.8V and 3.3V. It achieves this through a boost converter topology, which efficiently steps up the input voltage to the desired output level.

The IC utilizes a feedback mechanism to maintain a stable output voltage despite variations in the input voltage or load conditions. The soft-start feature allows for gradual ramp-up of the output voltage during startup, preventing excessive inrush current.

Detailed Application Field Plans

The MAX8576EUB+T finds application in various fields, including but not limited to:

1. Battery-Powered Devices: It can be used in portable electronic devices such as smartphones, tablets, and wearables to regulate the voltage supplied to different components.
2. IoT Devices: The IC is suitable for Internet of Things (IoT) devices that require efficient power management to prolong battery life.
3. Industrial Equipment: It can be employed in industrial equipment where stable and regulated power supply is crucial for reliable operation.
4. Automotive Electronics: The MAX8576EUB+T can be utilized in automotive electronics to provide regulated power to sensors, actuators, and other components.

Detailed and Complete Alternative Models

1. MAX8576ETB+: Similar to MAX8576EUB+T, but available in a different package (TDFN).
2. MAX8576XEB+: Extended temperature range variant of MAX8576EUB+T, suitable for harsh environments.
3. MAX8576REB+: Reverse polarity protection variant of MAX8576EUB+T, offering additional safety features.

These alternative models provide similar functionality and characteristics as the MAX8576EUB+T, catering to different application requirements.

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