LT3762HFE#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Wide Input Voltage Range, Dimming Control
• Package: 28-Lead TSSOP
• Essence: Power Management IC for LED Lighting Applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4V to 60V
• Output Current: Up to 8A
• Switching Frequency: Up to 1MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to 125°C
• Protection Features: Overvoltage, Overcurrent, Overtemperature

Detailed Pin Configuration

The LT3762HFE#TRPBF has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VCC: Supply voltage pin
4. FB: Feedback pin for output voltage regulation
5. DIM: Dimming control input pin
6. SYNC: Synchronization input pin
7. SS: Soft-start capacitor connection pin
8. RT: Timing resistor connection pin
9. BST: Boost capacitor connection pin
10. SW: Switch node pin
11. PGND: Power ground pin
12. AGND: Analog ground pin
13. ITH: Current sense threshold pin
14. ADJ: Output voltage adjustment pin 15-28: NC (No Connection)

Functional Features

• High efficiency conversion of input voltage to output current for LED lighting applications
• Wide input voltage range allows operation from various power sources
• Dimming control options enable brightness adjustment
• Synchronization input for multi-channel LED driver applications
• Protection features ensure safe operation and prevent damage to the IC and LEDs

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range allows flexibility in power source selection - Dimming control enables customization of lighting levels - Synchronization input simplifies multi-channel LED driver designs - Protection features enhance reliability and prevent damage

Disadvantages: - Limited to LED driver applications, not suitable for other purposes - Requires careful thermal management due to high power dissipation

Working Principles

The LT3762HFE#TRPBF is a step-down DC/DC converter specifically designed for driving LEDs. It operates by converting the input voltage to a regulated output current suitable for powering LEDs. The IC utilizes a high switching frequency to achieve high efficiency conversion. Dimming control can be achieved through analog or PWM signals applied to the DIM pin. The IC also provides protection features such as overvoltage, overcurrent, and overtemperature protection to ensure safe operation.

Detailed Application Field Plans

The LT3762HFE#TRPBF is widely used in various LED lighting applications, including:

1. Indoor and outdoor lighting systems
2. Automotive lighting
3. Street lighting
4. Display backlighting
5. Architectural lighting
6. Signage and advertising displays

Detailed and Complete Alternative Models

1. LT3799HFE#TRPBF: Similar specifications and features, but with higher output current capability (up to 12A).
2. LT3763HFE#TRPBF: Similar specifications and features, but with lower input voltage range (up to 36V).
3. LT3957HFE#TRPBF: Similar specifications and features, but with additional fault protection features.

These alternative models provide options for different application requirements while maintaining similar functionality to the LT3762HFE#TRPBF.

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