MAX8751ETJ+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8751ETJ+ is a high-efficiency, step-down DC-DC converter designed for use in various electronic devices. It provides a regulated output voltage from a wide input voltage range.

Characteristics: - High efficiency - Wide input voltage range - Regulated output voltage - Step-down conversion

Package: The MAX8751ETJ+ comes in a compact 32-pin Thin QFN package, which allows for easy integration into electronic circuits.

Essence: This IC serves as a power management solution, converting higher input voltages to lower, regulated output voltages required by electronic devices.

Packaging/Quantity: The MAX8751ETJ+ is typically sold in reels containing 250 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: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8751ETJ+ has a total of 32 pins. Here is the detailed pin configuration:

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

Functional Features

• High efficiency conversion
• Wide input voltage range allows for versatile applications
• Regulated output voltage ensures stable power supply to connected devices
• Soft-start/tracking control for smooth power-up and shutdown transitions
• Overcurrent protection for enhanced safety
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range enables compatibility with various power sources - Regulated output voltage ensures consistent performance of connected devices - Compact package size facilitates integration into electronic circuits

Disadvantages: - Limited maximum output current (3A) - Higher cost compared to some alternative models

Working Principles

The MAX8751ETJ+ operates on the principle of step-down conversion, also known as buck conversion. It utilizes a high-frequency switching circuit to efficiently convert higher input voltages to lower, regulated output voltages. The integrated control circuitry ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The MAX8751ETJ+ finds application in various electronic devices that require efficient power management. Some potential application fields include: - Mobile devices (smartphones, tablets) - Portable gaming consoles - Industrial equipment - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

1. MAX8752ETJ+: Similar to MAX8751ETJ+, but with a higher maximum output current of 5A.
2. MAX8753ETJ+: Step-down DC-DC converter with integrated power switches for simplified design and reduced external component count.
3. MAX8754ETJ+: Dual-output step-down DC-DC converter with independent voltage control for powering multiple subsystems.

These alternative models offer similar functionality to the MAX8751ETJ+ and can be considered based on specific application requirements.

In conclusion, the MAX8751ETJ+ is a high-efficiency, step-down DC-DC converter that provides regulated output voltage from a wide input voltage range. Its compact package, functional features, and versatile applications make it a valuable component in various electronic devices.