LM3414SD/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics:
  • High efficiency
  • Wide input voltage range
  • Adjustable output current
  • Dimming control capability
• Package: SOIC-8
• Essence: The LM3414SD/NOPB is a high-efficiency LED driver IC designed for driving LEDs in various lighting applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Input Voltage Range: 6V to 42V
• Output Current Range: Up to 1.5A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog/PWM dimming control
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3414SD/NOPB has the following pin configuration:

____ EN |1 8| VCC DIM/PWM |2 7| GND FB |3 6| NC VIN |4 5| SW ----

Functional Features

• High efficiency up to 95%
• Wide input voltage range allows operation in various systems
• Adjustable output current enables flexibility in LED configurations
• Dimming control capability for brightness adjustment
• Internal over-temperature protection
• Short-circuit protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Wide input voltage range allows compatibility with different power sources - Adjustable output current provides flexibility in LED configurations - Dimming control capability allows brightness adjustment - Built-in protection features enhance reliability

Disadvantages: - Limited maximum output current of 1.5A - Requires external components for operation

Working Principles

The LM3414SD/NOPB is a buck LED driver IC that converts a higher input voltage to a lower output voltage suitable for driving LEDs. It utilizes a high-frequency switching regulator to efficiently control the LED current. The dimming control feature allows adjustment of the LED brightness by varying the duty cycle of the PWM signal or applying an analog voltage.

Detailed Application Field Plans

The LM3414SD/NOPB is widely used in various lighting applications, including:

1. General lighting:

   • Residential lighting
   • Commercial lighting
   • Industrial lighting

2. Automotive lighting:

   • Headlights
   • Taillights
   • Interior lighting

3. Display backlighting:

   • LCD TVs
   • Monitors
   • Signage

4. Outdoor lighting:

   • Streetlights
   • Landscape lighting
   • Architectural lighting

Detailed and Complete Alternative Models

Some alternative models to the LM3414SD/NOPB LED driver IC include:

1. LT3474: Buck LED driver with similar features and package options.
2. TPS92550: High-efficiency LED driver with integrated power MOSFET.
3. MAX16834: Synchronous buck LED driver with built-in fault protection.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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