IS31LT3352-V1GRLS2-TR

Basic Information Overview

Category: Integrated Circuit (IC)

Use: LED Driver

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

Package: VQFN-16

Essence: The IS31LT3352-V1GRLS2-TR is a high-efficiency LED driver IC designed for driving LEDs in various lighting applications.

Packaging/Quantity: The IS31LT3352-V1GRLS2-TR is available in a VQFN-16 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1A
• Dimming Control: PWM or Analog
• 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 IS31LT3352-V1GRLS2-TR has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. DIM: Dimming control input
5. FB: Feedback pin
6. VOUT: Output voltage
7. SW: Switch node
8. PGND: Power ground
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High-efficiency step-down converter
• Adjustable output current
• Wide input voltage range for versatile applications
• Dimming control capability for brightness adjustment
• Over-temperature, over-voltage, and short-circuit protection

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Compact size allows for space-saving designs - Wide input voltage range accommodates various power sources - Dimming control capability enables brightness adjustment - Protection features ensure safe operation

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The IS31LT3352-V1GRLS2-TR is a step-down LED driver IC that converts a higher input voltage to a lower output voltage suitable for driving LEDs. It utilizes a high-efficiency switching regulator to minimize power losses. The dimming control feature allows for adjusting the brightness of the connected LEDs using either PWM or analog signals. The IC also incorporates protection features to safeguard against over-temperature, over-voltage, and short-circuit conditions.

Detailed Application Field Plans

The IS31LT3352-V1GRLS2-TR can be used in various lighting applications, including: - Automotive lighting - Industrial lighting - Residential lighting - Commercial lighting - Display backlighting

Detailed and Complete Alternative Models

Some alternative models to the IS31LT3352-V1GRLS2-TR LED driver IC include: - TPS92515 - LT3479 - LM3409 - MAX16834

These alternative models offer similar functionality and can be considered as substitutes depending on specific application requirements.

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