LT3517HUF#PBF

Product Overview

Category

The LT3517HUF#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency power management
• Wide input voltage range
• Adjustable output voltage
• Current mode control
• Overvoltage protection
• Thermal shutdown protection

Package

The LT3517HUF#PBF is available in a compact and industry-standard 20-pin QFN package, which ensures easy integration into circuit boards.

Essence

The essence of LT3517HUF#PBF lies in its ability to provide efficient power management solutions, ensuring stable and reliable power supply to electronic devices.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel containing a specific quantity of LT3517HUF#PBF ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: 0.8V to 80V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VCC: Supply voltage pin
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. SS/TR: Soft-start/tracking pin
7. RT/CLK: External resistor/clock synchronization pin
8. SYNC: Synchronization pin for multiple ICs
9. SW: Switch node pin for power conversion
10. PGND: Power ground pin

Functional Features

• High efficiency power conversion
• Adjustable output voltage through feedback pin
• Current mode control for improved stability and response
• Soft-start feature for controlled startup
• Synchronization capability for parallel operation of multiple ICs

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency results in reduced power dissipation and longer battery life
• Compact package enables space-saving designs
• Overvoltage and thermal shutdown protection enhance system reliability

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• External components required for proper operation, increasing overall system complexity

Working Principles

The LT3517HUF#PBF operates on the principle of current mode control, where the output voltage is regulated by adjusting the duty cycle of the internal switching transistor. This control mechanism ensures stable and efficient power conversion.

Detailed Application Field Plans

The LT3517HUF#PBF finds extensive application in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Consumer electronics - LED lighting systems

Detailed and Complete Alternative Models

1. LT3517EUF#PBF
2. LT3517IUF#PBF
3. LT3517AUF#PBF
4. LT3517CUF#PBF

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

In conclusion, the LT3517HUF#PBF is a highly efficient power management IC designed for a wide range of applications. Its compact package, adjustable output voltage, and various protection features make it an ideal choice for powering electronic devices and systems.