MAX20028ATJA/VY+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX20028ATJA/VY+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

• Integrated circuit
• Power management functionality
• Small form factor
• High efficiency
• Wide input voltage range

Package

The MAX20028ATJA/VY+ is available in a small-sized package, typically a Thin Quad Flat No-Lead (TQFN) package.

Essence

The essence of MAX20028ATJA/VY+ lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and energy utilization.

Packaging/Quantity

This product is usually packaged in reels or trays, with a specific quantity per package depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable, up to 5.5V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Switching Frequency: Adjustable, up to 2MHz

Detailed Pin Configuration

The MAX20028ATJA/VY+ has a total of 20 pins. The pin configuration is as follows:

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 pin
7. PGND: Power ground pin
8. AGND: Analog ground pin
9. SS/TR: Soft-start/Tracking pin
10. SYNC: Synchronization pin
11. COMP: Compensation pin
12. BST: Boost pin
13. VCC: Supply voltage pin
14. PG: Power good pin
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection

Functional Features

• High-efficiency step-down converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start and tracking functionality
• Synchronization capability
• Power good indicator

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for compatibility with various power sources
• Small form factor enables integration into compact electronic devices
• Comprehensive protection features ensure device safety

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires additional external components for proper operation

Working Principles

The MAX20028ATJA/VY+ 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 the feedback received from the FB pin. The integrated circuit incorporates various control mechanisms to ensure stable and efficient power delivery.

Detailed Application Field Plans

The MAX20028ATJA/VY+ finds applications in a wide range of electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

1. MAX20029ATJA/VY+: Similar to MAX20028ATJA/VY+, but with a higher maximum output current of 5A.
2. MAX20030ATJA/VY+: Step-up (boost) converter variant of the MAX20028ATJA/VY+, suitable for applications requiring higher output voltage than the input voltage.
3. MAX20031ATJA/VY+: Dual-channel version of the MAX20028ATJA/VY+, capable of independently regulating two different output voltages.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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