MAX17561AUD+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17561AUD+ belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing efficient and reliable control over power supply and distribution.

Characteristics

• High efficiency: The MAX17561AUD+ offers high conversion efficiency, minimizing power losses during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various power supply scenarios.
• Small package size: The product comes in a compact package, allowing for space-saving designs.
• Low quiescent current: The MAX17561AUD+ has a low quiescent current, reducing power consumption when in standby mode.

Package and Quantity

The MAX17561AUD+ is available in a small 8-pin µMAX package. It is typically sold in reels containing a specific quantity, usually around 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.9V to 0.95 x VIN
• Maximum Output Current: 1A
• Quiescent Current: 17µA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX17561AUD+ features an 8-pin package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the device on/off
5. SS/TR: Soft-start/Tracking pin for controlling startup behavior
6. PG: Power Good pin indicating output voltage status
7. LX: Switching node pin for connecting the inductor
8. VOUT: Output voltage pin

Functional Features

• Integrated Power MOSFET: The MAX17561AUD+ incorporates a power MOSFET, simplifying the design and reducing external component count.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet various system requirements.
• Overcurrent Protection: The device includes overcurrent protection, safeguarding against excessive current flow.
• Soft-Start Functionality: Soft-start ensures a controlled and gradual startup, preventing voltage spikes and potential damage to connected components.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat dissipation.
• Wide input voltage range allows for versatile applications.
• Compact package size enables space-saving designs.
• Low quiescent current minimizes standby power consumption.

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications.
• Higher cost compared to some alternative models with similar specifications.

Working Principles

The MAX17561AUD+ operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The integrated power MOSFET efficiently switches the input voltage to the output, achieving high conversion efficiency.

Detailed Application Field Plans

The MAX17561AUD+ finds application in various fields, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Consumer electronics - LED lighting systems

Alternative Models

For those seeking alternatives to the MAX17561AUD+, the following models offer similar functionality and specifications: - TPS54360 - LT8610AB - MP2307

These alternative models provide comparable performance and can be considered based on specific application requirements.

In conclusion, the MAX17561AUD+ is a power management IC that offers high efficiency, wide input voltage range, and compact package size. It provides various functional features such as integrated power MOSFET, adjustable output voltage, and overcurrent protection. While it has advantages in terms of efficiency and versatility, its limited maximum output current and higher cost compared to some alternatives should be considered. The device operates as a step-down converter and finds applications in diverse fields such as industrial automation, automotive electronics, and consumer electronics. Alternative models like TPS54360, LT8610AB, and MP2307 can also be explored for similar requirements.