MAX17523ATE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17523ATE+ is a high-efficiency, synchronous step-down DC-DC converter. It is designed to provide a regulated output voltage for various applications.

Characteristics: - High efficiency - Synchronous rectification - Wide input voltage range - Adjustable output voltage - Low quiescent current - Overcurrent and overtemperature protection

Package: The MAX17523ATE+ comes in a small 16-pin TQFN package, which allows for compact designs and efficient heat dissipation.

Essence: The MAX17523ATE+ is an essential component for power management in electronic devices, ensuring stable and efficient power supply.

Packaging/Quantity: The MAX17523ATE+ is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 0.9 x VIN
• Maximum Output Current: 3A
• Switching Frequency: 100kHz to 2.2MHz
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17523ATE+ has 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 the startup behavior
6. PGND: Power ground pin
7. LX: Switching node pin
8. BST: Boost capacitor connection pin
9. AGND: Analog ground pin
10. VCC: Supply voltage pin
11. SS/TR: Soft-start/Tracking pin (alternate function)
12. PGND: Power ground pin (alternate function)
13. LX: Switching node pin (alternate function)
14. BST: Boost capacitor connection pin (alternate function)
15. AGND: Analog ground pin (alternate function)
16. VCC: Supply voltage pin (alternate function)

Functional Features

• High efficiency conversion of input voltage to regulated output voltage.
• Synchronous rectification for improved efficiency.
• Adjustable output voltage allows for flexibility in different applications.
• Overcurrent and overtemperature protection ensures safe operation.
• Wide input voltage range enables compatibility with various power sources.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range provides versatility. - Compact package allows for space-saving designs. - Overcurrent and overtemperature protection enhance reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Higher cost compared to non-synchronous converters.

Working Principles

The MAX17523ATE+ operates as a step-down DC-DC converter using a synchronous rectification topology. It uses a high-frequency switching transistor to convert the input voltage to a regulated output voltage. The feedback mechanism adjusts the duty cycle of the switching transistor to maintain the desired output voltage. The device also incorporates protection features to prevent damage from overcurrent and overtemperature conditions.

Detailed Application Field Plans

The MAX17523ATE+ is widely used in various applications, including: 1. Battery-powered devices 2. Industrial automation systems 3. Automotive electronics 4. Telecommunications equipment 5. LED lighting systems

Detailed and Complete Alternative Models

1. MAX17524ATE+: Similar to MAX17523ATE+, but with higher maximum output current (5A).
2. MAX17525ATE+: Similar to MAX17523ATE+, but with lower quiescent current (10µA).
3. MAX17526ATE+: Similar to MAX17523ATE+, but with wider input voltage range (2.7V to 60V).

These alternative models provide options for different power requirements and design constraints.

In conclusion, the MAX17523ATE+ is a high-efficiency synchronous step-down DC-DC converter that offers adjustable output voltage and various protection features. It finds applications in diverse fields such as battery-powered devices, industrial automation, automotive electronics, telecommunications, and LED lighting systems. While it has limitations in terms of maximum output current and cost, alternative models with different specifications are available to suit specific needs.