MAX17551AUB+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17551AUB+ 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 voltage regulation and control.

Characteristics

• High efficiency: The MAX17551AUB+ offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various applications.
• Low quiescent current: The device has low standby power consumption, ensuring energy efficiency even during idle periods.
• Compact package: The MAX17551AUB+ is available in a small and compact package, enabling space-saving designs.

Package and Quantity

The MAX17551AUB+ is packaged in a 10-pin µMAX® package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 0.9 x VIN
• Maximum Output Current: 2.5A
• Quiescent Current: 17µA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17551AUB+ features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference 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 the startup behavior
6. PG: Power Good indicator pin
7. LX: Switching node pin
8. BST: Boost capacitor connection pin
9. COMP: Compensation pin for stability control
10. VCC: Supply voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Integrated power MOSFETs simplify the design and reduce external component count.
• Adjustable output voltage enables flexibility in meeting specific application requirements.
• Soft-start and tracking functionality ensure controlled startup and smooth voltage transitions.
• Power Good indicator provides a signal indicating proper voltage regulation.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power losses and improved energy utilization.
• Compact package size facilitates space-constrained designs.
• Wide input voltage range enhances versatility across different applications.
• Integrated power MOSFETs simplify circuit design and reduce external components.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher quiescent current compared to some competing models may impact overall power consumption in standby mode.

Working Principles

The MAX17551AUB+ operates on the principle of pulse-width modulation (PWM) to regulate the output voltage. It utilizes an internal feedback loop to compare the actual output voltage with the desired value, adjusting the duty cycle of the switching waveform accordingly. This control mechanism ensures that the output voltage remains within the specified range, even with varying input voltages and load conditions.

Detailed Application Field Plans

The MAX17551AUB+ finds applications in various fields, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX17551AUB+ include: - TPS54332: A power management IC with comparable specifications and features. - LT8614: Another integrated circuit designed for power management applications. - LM2596: A popular voltage regulator IC widely used in various electronic devices.

These alternative models can be considered based on specific application requirements and design constraints.

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