MAX17603AUA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17603AUA+ is a high-efficiency, synchronous step-down DC-DC converter. It is designed to provide a regulated output voltage from a wide input voltage range. This IC is commonly used in various electronic devices and systems that require efficient power conversion.

Characteristics: - High efficiency - Wide input voltage range - Synchronous rectification - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: The MAX17603AUA+ is available in a small 8-pin µMAX package, which allows for space-saving integration into compact electronic designs.

Essence: The essence of the MAX17603AUA+ lies in its ability to efficiently convert input voltage to a regulated output voltage, ensuring stable power supply for electronic devices.

Packaging/Quantity: The MAX17603AUA+ is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.6V to 0.9 x VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17603AUA+ features the following pin configuration:

1. VIN: Input voltage pin
2. PGND: Power ground pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS/TR: Soft-start/Tracking pin
7. LX: Inductor connection pin
8. VOUT: Output voltage pin

Functional Features

• High efficiency up to 95%
• Adjustable output voltage through external resistors
• Overcurrent protection prevents damage to the IC and connected devices
• Thermal shutdown protection safeguards against overheating
• Synchronous rectification improves overall efficiency

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Compact package enables space-saving integration - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 3A - Higher switching frequency may require additional noise filtering measures

Working Principles

The MAX17603AUA+ operates as a synchronous step-down DC-DC converter. It utilizes a high-frequency switching mechanism to efficiently convert the input voltage to a regulated output voltage. The feedback voltage pin (FB) is used to adjust the output voltage, while the enable pin (EN) controls the converter's operation.

Detailed Application Field Plans

The MAX17603AUA+ finds application in various electronic systems, including but not limited to: 1. Battery-powered devices 2. Industrial automation equipment 3. Automotive electronics 4. Telecommunications infrastructure 5. Portable consumer electronics

Detailed and Complete Alternative Models

1. MAX17604AUA+: Similar to MAX17603AUA+, but with a higher maximum output current of 4A.
2. MAX17605AUA+: Similar to MAX17603AUA+, but with a wider input voltage range of 4.5V to 60V.
3. MAX17606AUA+: Similar to MAX17603AUA+, but with an adjustable switching frequency for better noise performance.

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

In conclusion, the MAX17603AUA+ is a highly efficient synchronous step-down DC-DC converter that offers a wide input voltage range and various protection features. Its compact package and adjustable output voltage make it suitable for a range of electronic applications.