ISL97686IRTZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Wide input voltage range - Dimming control - Thermal protection - Overvoltage protection

Package: QFN (Quad Flat No-leads)

Essence: The ISL97686IRTZ-T is a high-efficiency LED driver IC designed for driving multiple LEDs in series. It provides a constant current output, making it suitable for various lighting applications.

Packaging/Quantity: The ISL97686IRTZ-T is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%

Pin Configuration

The ISL97686IRTZ-T 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

Functional Features

• Constant current output for driving LEDs
• Wide input voltage range allows for flexibility in power supply selection
• Dimming control through PWM signal
• Thermal protection prevents overheating
• Overvoltage protection safeguards against excessive voltage levels

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Wide input voltage range accommodates different power sources - Dimming control enables brightness adjustment - Thermal and overvoltage protection enhance reliability

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - QFN package may require specialized soldering techniques

Working Principles

The ISL97686IRTZ-T operates by converting the input voltage to a constant current output, which is used to drive the connected LEDs. The dimming control input allows for adjusting the brightness of the LEDs using a PWM signal. The IC incorporates thermal and overvoltage protection mechanisms to ensure safe operation.

Application Field Plans

The ISL97686IRTZ-T is commonly used in various lighting applications, including: - LED backlighting for LCD displays - Automotive lighting systems - General illumination - Architectural lighting - Industrial lighting

Alternative Models

1. ISL97687IRTZ-T: Similar LED driver IC with higher output current capability (up to 3A).
2. ISL97688IRTZ-T: LED driver IC with integrated boost converter for driving high-power LEDs.
3. ISL97689IRTZ-T: LED driver IC with additional features such as fault detection and diagnostics.

These alternative models offer different specifications and functionalities, allowing users to choose the most suitable option for their specific application requirements.

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