IS31LT3354-STLS2-TR

Basic Information Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range

Package: STLS2-TR

Essence: The IS31LT3354-STLS2-TR is a high-efficiency LED driver IC designed for various lighting applications. It provides precise current regulation and dimming control for LEDs, ensuring optimal performance and energy efficiency.

Packaging/Quantity: The IS31LT3354-STLS2-TR is available in the STLS2-TR package, which consists of a small surface-mount package with a specific pin configuration. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1A
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Over-temperature, over-voltage, and short-circuit protection

Detailed Pin Configuration

The IS31LT3354-STLS2-TR has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin (active high)
4. DIM: Dimming control input
5. VOUT: Output voltage
6. FB: Feedback pin for current regulation
7. NC: No connection (reserved for future use)

Functional Features

• Precise current regulation for consistent LED brightness
• Wide input voltage range allows for versatile applications
• PWM dimming control enables flexible brightness adjustment
• Built-in protection features ensure safe operation
• Compact size and surface-mount package for space-constrained designs

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range accommodates various power sources - Compact size allows for integration in small form factor devices - PWM dimming control offers flexible brightness adjustment

Disadvantages: - Limited output current range (up to 1A) - Requires external components for proper operation - May require additional thermal management for high-power applications

Working Principles

The IS31LT3354-STLS2-TR LED driver operates by regulating the current flowing through connected LEDs. It uses a feedback mechanism to monitor the LED current and adjusts it accordingly to maintain a consistent brightness level. The dimming control input allows for pulse width modulation (PWM) signals, enabling precise control over the LED brightness.

Detailed Application Field Plans

The IS31LT3354-STLS2-TR LED driver is suitable for a wide range of lighting applications, including but not limited to: - Automotive lighting - Industrial lighting - Residential and commercial lighting - Display backlighting - Signage and advertising lighting

Detailed and Complete Alternative Models

• IS31LT3354-STLS2-TR: The specific model discussed in this entry.
• IS31LT3354-STLS1-TR: Similar to the STLS2-TR package, but with a different pin configuration.
• IS31LT3354-STLS3-TR: Higher output current variant, capable of driving up to 3A.

These alternative models offer similar functionality and characteristics but may differ in package type or pin configuration.

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