MAX17119ETI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17119ETI+ 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, making it suitable for a wide range of applications.

Characteristics: - High efficiency: The MAX17119ETI+ offers high conversion efficiency, minimizing power losses and maximizing battery life. - Wide input voltage range: It can accept input voltages ranging from 4.5V to 60V, allowing it to be used with different power sources. - Adjustable output voltage: The output voltage can be adjusted using external resistors, providing flexibility in system design. - Overcurrent protection: The device incorporates overcurrent protection to safeguard against excessive current flow.

Package: The MAX17119ETI+ is available in a compact 28-pin TQFN package, which ensures efficient heat dissipation and ease of integration into circuit boards.

Essence: This IC serves as a reliable and efficient power management solution, enabling the conversion of high input voltages to lower output voltages with minimal power loss.

Packaging/Quantity: The MAX17119ETI+ is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: Adjustable (based on external resistors)
• Maximum Output Current: 2A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX17119ETI+ features the following pin configuration:

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

Functional Features

• High-efficiency step-down DC-DC conversion
• Adjustable output voltage
• Overcurrent protection
• Soft-start and tracking functionality
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Compact package enables easy integration into circuit boards - Overcurrent protection ensures device and system safety

Disadvantages: - Limited maximum output current (2A) - Requires external resistors for output voltage adjustment

Working Principles

The MAX17119ETI+ operates as a step-down DC-DC converter, utilizing a high-frequency switching technique to efficiently convert higher input voltages to lower output voltages. It employs a pulse-width modulation (PWM) control scheme to regulate the output voltage. The device continuously monitors the feedback voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage.

Detailed Application Field Plans

The MAX17119ETI+ finds applications in various electronic devices, including but not limited to: - Industrial equipment - Automotive systems - Telecommunications infrastructure - Power supply modules - Battery-powered devices

Detailed and Complete Alternative Models

1. MAX17120ETI+: Similar to the MAX17119ETI+, but with a higher maximum output current of 3A.
2. MAX17121ETI+: Offers additional features such as adjustable soft-start time and programmable undervoltage lockout.
3. MAX17122ETI+: Provides synchronous rectification for improved efficiency and reduced power losses.

These alternative models offer similar functionality to the MAX17119ETI+ while catering to specific requirements or providing enhanced features.

In conclusion, the MAX17119ETI+ is a versatile and efficient step-down DC-DC converter that offers high performance and reliability. Its wide input voltage range, adjustable output voltage, and compact package make