MAX17548ATJ+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17548ATJ+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications.

Characteristics

• The MAX17548ATJ+ is a highly efficient, synchronous step-down DC-DC converter.
• It offers a wide input voltage range and can deliver up to 2A of continuous output current.
• This IC operates at high switching frequencies, enabling compact designs.
• It incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

Package

The MAX17548ATJ+ comes in a compact 32-pin TQFN package.

Essence

The essence of this product lies in its ability to efficiently regulate and convert input voltages to desired output levels, making it suitable for a wide range of power management applications.

Packaging/Quantity

The MAX17548ATJ+ is typically packaged in reels containing 250 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.9V to 0.8 x VIN
• Continuous Output Current: Up to 2A
• Switching Frequency: Adjustable up to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS/TR: Soft-Start/Tracking Pin
6. PGND: Power Ground
7. LX: Switch Node
8. BST: Boost Node
9. VCC: Supply Voltage
10. AGND: Analog Ground
11. COMP: Compensation Pin
12. SS/TR: Soft-Start/Tracking Pin
13. PGND: Power Ground
14. LX: Switch Node
15. BST: Boost Node
16. VCC: Supply Voltage
17. AGND: Analog Ground
18. COMP: Compensation Pin
19. SS/TR: Soft-Start/Tracking Pin
20. PGND: Power Ground
21. LX: Switch Node
22. BST: Boost Node
23. VCC: Supply Voltage
24. AGND: Analog Ground
25. COMP: Compensation Pin
26. SS/TR: Soft-Start/Tracking Pin
27. PGND: Power Ground
28. LX: Switch Node
29. BST: Boost Node
30. VCC: Supply Voltage
31. AGND: Analog Ground
32. COMP: Compensation Pin

Functional Features

1. High Efficiency: The MAX17548ATJ+ offers high efficiency, reducing power losses and enabling longer battery life in portable applications.
2. Wide Input Voltage Range: With a wide input voltage range of 4.5V to 60V, this IC can handle various power sources.
3. Adjustable Switching Frequency: The switching frequency can be adjusted up to 2MHz, allowing for flexibility in design and optimization of efficiency.
4. Comprehensive Protection Features: The MAX17548ATJ+ incorporates overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring safe operation and protecting the circuitry.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Adjustable switching frequency provides design flexibility.
• Comprehensive protection features enhance reliability.

Disadvantages

• Limited output current capacity (up to 2A).
• Higher cost compared to some alternative models.

Working Principles

The MAX17548ATJ+ operates as a synchronous step-down DC-DC converter. It utilizes high-frequency switching to regulate the input voltage and provide a stable output voltage. The IC employs a control loop that adjusts the duty cycle of the internal power switches to maintain the desired output voltage. This control loop continuously monitors the feedback signal and adjusts the switching frequency accordingly.

Detailed Application Field Plans

The MAX17548ATJ+ finds applications in various fields, including: 1. Industrial automation 2. Automotive electronics 3. Telecommunications 4. Consumer electronics 5. Power supplies

Detailed and Complete Alternative Models

1. MAX17549ATJ+: Similar to MAX17548ATJ+, but with higher output current capacity (up to 3A).
2. MAX17550ATJ+: Similar to MAX17548ATJ+, but with adjustable output voltage range.
3. MAX17551ATJ+: Similar to MAX17548ATJ+, but with integrated power MOSFETs for reduced external component count.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the MAX17548ATJ+ is a highly efficient, synchronous step