LM3404MA

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3404MA is a high-performance LED driver IC designed for driving LEDs in lighting applications. It provides efficient and precise control of LED current, making it suitable for various lighting systems.

Characteristics: - High efficiency - Precise current control - Wide input voltage range - Thermal shutdown protection - Dimming capability

Package: The LM3404MA is available in a small outline package (SOP) with 8 pins.

Essence: The LM3404MA is an essential component in LED lighting systems as it ensures optimal performance and longevity of the LEDs.

Packaging/Quantity: The LM3404MA is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 6V to 42V
• Output Current Range: Up to 1A
• Operating Temperature Range: -40°C to +125°C
• Dimming Control: Analog/PWM
• Efficiency: Up to 95%
• Package Type: SOP-8

Pin Configuration

The LM3404MA has the following pin configuration:

```

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| | --| VCC GND|-- Pin 1: Ground --| VIN CTRL|-- Pin 2: Dimming Control --| SW FB |-- Pin 3: Feedback --| NC NC |-- Pin 4: Not Connected --| NC NC |-- Pin 5: Not Connected --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• Efficient LED Driving: The LM3404MA ensures high efficiency in driving LEDs, minimizing power losses and maximizing energy savings.

• Precise Current Control: It provides precise control of LED current, allowing for consistent brightness and color accuracy.

• Wide Input Voltage Range: The IC can operate within a wide input voltage range, making it suitable for various lighting applications.

• Thermal Shutdown Protection: The LM3404MA incorporates thermal shutdown protection, preventing damage due to excessive heat.

• Dimming Capability: It supports both analog and pulse-width modulation (PWM) dimming, enabling flexible control of LED brightness.

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Precise current control ensures consistent brightness - Wide input voltage range allows for versatile applications - Dimming capability provides flexibility in lighting control

Disadvantages: - Limited output current range (up to 1A) - Requires external components for complete LED driver circuit

Working Principles

The LM3404MA operates as a constant current source for driving LEDs. It regulates the LED current by adjusting the duty cycle of an internal switch. This regulation ensures that the LEDs receive a stable and controlled current, resulting in consistent brightness and optimal performance.

Detailed Application Field Plans

The LM3404MA is widely used in various lighting applications, including:

1. Residential Lighting: It is employed in LED bulbs, downlights, and track lights for energy-efficient and long-lasting illumination in homes.

2. Commercial Lighting: The IC finds application in office lighting, retail displays, and architectural lighting, providing efficient and visually appealing lighting solutions.

3. Outdoor Lighting: Streetlights, landscape lighting, and parking lot lighting benefit from the LM3404MA's high efficiency and robust design.

4. Automotive Lighting: The IC is utilized in automotive headlights, taillights, and interior lighting, ensuring reliable and efficient illumination.

Detailed and Complete Alternative Models

1. LM3404: Similar to LM3404MA, but available in a different package (e.g., DIP-8).

2. LM3406: A higher current version of the LM3404MA, capable of driving LEDs with currents up to 3A.

3. LM3410: An alternative IC with integrated dimming control and additional protection features.

4. LT3474: A comparable LED driver IC from a different manufacturer, offering similar functionality and performance.

5. AL8805: Another alternative IC known for its high efficiency and compact size.

Note: The above list is not exhaustive, and there are several other alternative models available in the market.

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