MAX8717ETI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Step-Down DC-DC Converter
• Package: 28-pin Thin QFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8717ETI+T has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. EN: Enable pin
3. FB: Feedback pin
4. SS/TRK: Soft-start/Tracking pin
5. PGND: Power ground pin
6. AGND: Analog ground pin
7. LX: Switching node pin
8. BST: Boost capacitor connection pin
9. VCC: Supply voltage pin
10. COMP: Compensation pin
11. SS/TRK: Soft-start/Tracking pin
12. PGND: Power ground pin
13. AGND: Analog ground pin
14. LX: Switching node pin
15. BST: Boost capacitor connection pin
16. VCC: Supply voltage pin
17. COMP: Compensation pin
18. SS/TRK: Soft-start/Tracking pin
19. PGND: Power ground pin
20. AGND: Analog ground pin
21. LX: Switching node pin
22. BST: Boost capacitor connection pin
23. VCC: Supply voltage pin
24. COMP: Compensation pin
25. SS/TRK: Soft-start/Tracking pin
26. PGND: Power ground pin
27. AGND: Analog ground pin
28. LX: Switching node pin

Functional Features

• High-efficiency step-down DC-DC converter
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Fast transient response for stable operation
• Overcurrent and overtemperature protection for reliability
• Soft-start and tracking functions for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range allows compatibility with various power sources - Compact package size saves board space - Comprehensive protection features enhance system reliability

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

Working Principles

The MAX8717ETI+T is a step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The input voltage is first regulated and then stepped down to the desired output voltage using an internal control loop. The device employs pulse-width modulation (PWM) techniques to regulate the output voltage and maintain stability under varying load conditions.

Detailed Application Field Plans

The MAX8717ETI+T is commonly used in various applications, including but not limited to:

1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and portable media players.
2. Industrial equipment: Suitable for powering control systems, sensors, and communication modules in industrial automation.
3. Automotive electronics: Used in automotive infotainment systems, navigation devices, and advanced driver assistance systems (ADAS).
4. Networking equipment: Enables efficient power delivery in routers, switches, and network servers.
5. Consumer electronics: Ideal for powering gaming consoles, set-top boxes, and home entertainment systems.

Detailed and Complete Alternative Models

1. MAX8718ETI+T: Similar to MAX8717ETI+T with higher maximum output current of 4A.
2. MAX8719ETI+T: Similar to MAX8717ETI+T with adjustable switching frequency.
3. MAX8720ETI+T: Similar to MAX8717ETI+T with integrated power sequencing capabilities.

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

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