LM3404HVMA/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3404HVMA/NOPB is a high voltage buck regulator designed for driving high power LEDs. It provides a constant current output to ensure efficient and reliable LED operation.

Characteristics: - High voltage input range - Constant current output - Efficient LED driving - Wide operating temperature range - Small package size

Package: The LM3404HVMA/NOPB is available in a small outline package (SOP) with 8 pins.

Essence: The LM3404HVMA/NOPB is an essential component for driving high power LEDs, ensuring their optimal performance and longevity.

Packaging/Quantity: The LM3404HVMA/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 6V to 75V
• Output Current Range: Up to 1A
• Switching Frequency: Adjustable up to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM3404HVMA/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for setting the desired LED current
4. EN: Enable pin for turning the regulator on/off
5. COMP: Compensation pin for stability control
6. SW: Switch node for connecting the inductor and LED load
7. VCC: Supply voltage for internal circuitry
8. PGND: Power ground

Functional Features

• Constant current regulation for LED driving
• Wide input voltage range allows for versatile applications
• Adjustable switching frequency for optimization
• Over-temperature protection
• Short-circuit protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages: - High voltage input range enables driving of high power LEDs - Efficient operation for reduced power dissipation - Compact package size for space-constrained applications - Wide operating temperature range for various environments

Disadvantages: - Requires external components for complete LED driver circuit - Limited output current compared to some other LED drivers

Working Principles

The LM3404HVMA/NOPB operates as a buck regulator, converting the high input voltage to a constant current output suitable for driving LEDs. It utilizes a switching mechanism to regulate the current flow through the LEDs, ensuring efficient power transfer and stable illumination.

Detailed Application Field Plans

The LM3404HVMA/NOPB is commonly used in the following application fields:

1. General lighting
2. Automotive lighting
3. Industrial lighting
4. Signage and display lighting
5. Architectural lighting

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM3404HVMA/NOPB are:

1. LT3476: High voltage buck regulator with integrated Schottky diode
2. TPS92550: High voltage LED driver with integrated power MOSFET
3. MAX16834: High voltage, high brightness LED driver with integrated boost converter

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

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