LT3517EFE#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, compact design, wide input voltage range
• Package: 16-Lead TSSOP
• Essence: Efficiently drives LEDs in various lighting applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Current: Up to 3A
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Dimming Control: Analog/PWM dimming

Detailed Pin Configuration

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin
4. RT/CLK: Oscillator frequency set or synchronization input
5. SYNC/EXTVCC: Synchronization input or external VCC
6. SW: Switch node connection for the internal power switch
7. AGND: Analog ground
8. PGND: Power ground
9. SS/TRK: Soft-start/tracking
10. COMP: Compensation pin
11. EN/UVLO: Enable/undervoltage lockout
12. ISET: LED current set
13. VOUT: Output voltage
14. VCC: Internal bias supply
15. CS+: Positive current sense input
16. CS-: Negative current sense input

Functional Features

• Wide input voltage range allows for versatile application
• Adjustable switching frequency for flexibility and efficiency
• Analog/PWM dimming control for precise brightness adjustment
• Integrated soft-start feature for controlled start-up

Advantages and Disadvantages

Advantages

• High efficiency
• Compact design
• Wide input voltage range
• Precise dimming control

Disadvantages

• Requires careful thermal management at high output currents

Working Principles

The LT3517EFE#PBF is a high voltage LED driver IC that utilizes a fixed frequency, current mode architecture. It integrates a 100V, 2.3A switch and a high efficiency step-down controller to drive high power LEDs. The device operates with input voltages from 4.5V to 100V and delivers up to 3A of continuous LED current.

Detailed Application Field Plans

The LT3517EFE#PBF is suitable for a wide range of LED lighting applications, including: - Automotive lighting - Industrial lighting - Architectural lighting - Signage and display lighting - General illumination

Detailed and Complete Alternative Models

• LT3476: Similar high voltage LED driver with different package options
• LT3952: Buck-boost DC/DC converter with similar LED driving capabilities
• LT3796: Multitopology LED controller with integrated boost, buck-boost, SEPIC, and flyback controllers

This comprehensive entry provides detailed information about the LT3517EFE#PBF, covering its product overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.