LM3404MA/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3404MA/NOPB is a high-performance LED driver IC designed for driving LEDs in various lighting applications. It provides efficient and precise control of LED current, ensuring optimal performance and longevity of the LEDs.

Characteristics: - High efficiency - Wide input voltage range - Adjustable LED current - Dimming capability - Thermal shutdown protection - Small form factor

Package: The LM3404MA/NOPB is available in a small outline package (SOP) with 8 pins. This compact package allows for easy integration into space-constrained designs.

Essence: The essence of the LM3404MA/NOPB lies in its ability to provide reliable and efficient LED driving solutions, enabling the creation of high-quality lighting products.

Packaging/Quantity: The LM3404MA/NOPB is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

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

Pin Configuration

The LM3404MA/NOPB features the following pin configuration:

___________ | | NC |1 8| VCC EN |2 7| GND FB |3 6| DIM VIN|4 5| SW |___________|

1. NC: No Connection
2. EN: Enable Pin (Active High)
3. FB: Feedback Pin
4. VIN: Input Voltage Pin
5. SW: Switch Node Pin
6. DIM: Dimming Control Pin
7. GND: Ground Pin
8. VCC: Supply Voltage Pin

Functional Features

• High-efficiency LED driver with adjustable current control.
• Wide input voltage range allows for versatile applications.
• Dimming capability enables brightness control.
• Thermal shutdown protection prevents overheating and damage.
• Small form factor facilitates compact designs.

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings. - Wide input voltage range accommodates various power sources. - Adjustable LED current allows for customization. - Dimming capability provides flexibility in lighting control. - Thermal shutdown protection ensures reliability. - Small form factor enables space-saving designs.

Disadvantages: - Limited output current range may not be suitable for high-power LED applications. - Lack of integrated features, such as overvoltage protection or fault detection.

Working Principles

The LM3404MA/NOPB operates by regulating the current flowing through the connected LEDs. It utilizes a buck converter topology to efficiently step down the input voltage and maintain a constant LED current. The feedback pin (FB) monitors the LED current and adjusts the duty cycle of the internal switch accordingly. This control mechanism ensures precise and stable LED current control.

Detailed Application Field Plans

The LM3404MA/NOPB is well-suited for a wide range of lighting applications, including: 1. Residential lighting 2. Commercial lighting 3. Automotive lighting 4. Industrial lighting 5. Outdoor lighting

In residential lighting, the LM3404MA/NOPB can be used in LED bulbs, downlights, and strip lights to provide energy-efficient illumination. In commercial settings, it can be employed in office lighting fixtures, retail displays, and signage. Automotive applications include interior and exterior lighting, such as headlights and taillights. Industrial lighting solutions, such as high bay lights and streetlights, can benefit from the LM3404MA/NOPB's efficiency and reliability. Lastly, outdoor lighting applications encompass landscape lighting, pathway lighting, and architectural lighting.

Detailed and Complete Alternative Models

1. LM3406MA/NOPB: Similar to LM3404MA/NOPB, but with higher output current capability (up to 2A).
2. LM3410MA/NOPB: Buck-boost LED driver IC with a wider input voltage range (6V to 75V).
3. LM3429MA/NOPB: Synchronous buck LED driver IC with integrated fault protection features.
4. LM3492MA/NOPB: High-power LED driver IC with adjustable current control and dimming capabilities.

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

In conclusion, the LM3404MA/NOPB is a versatile LED driver IC that provides efficient and precise control of LED current. With its wide input voltage range, dimming capability, and small form factor, it is well