LM3414HVSDX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3414HVSDX/NOPB is a high voltage step-down constant current LED driver. It is designed to provide efficient and reliable power management for LED lighting applications.

Characteristics: - High voltage input range - Constant current output - Wide dimming range - Over-temperature protection - Under-voltage lockout - Adjustable switching frequency

Package: The LM3414HVSDX/NOPB is available in a small outline package (SOP) with 8 pins. This compact package ensures easy integration into LED lighting systems.

Essence: The essence of the LM3414HVSDX/NOPB lies in its ability to efficiently regulate the current flowing through LEDs, ensuring optimal performance and longevity.

Packaging/Quantity: The LM3414HVSDX/NOPB is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 9V to 75V
• Output Current Range: Up to 1A
• Dimming Control: PWM or Analog
• Switching Frequency: Adjustable up to 1MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3414HVSDX/NOPB features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. DIM: Dimming control pin
4. VCC: Supply voltage pin
5. FB: Feedback pin
6. SW: Switch node pin
7. NC: No connection pin
8. NC: No connection pin

Functional Features

• High efficiency conversion
• Precise current regulation
• Wide input voltage range
• Flexible dimming options
• Robust over-temperature protection
• Reliable under-voltage lockout

Advantages and Disadvantages

Advantages: - High voltage input capability - Constant current output for LED stability - Wide dimming range for versatile lighting control - Efficient power management for energy savings - Compact package for easy integration

Disadvantages: - Limited maximum output current (up to 1A) - Requires external components for operation - Not suitable for low voltage applications

Working Principles

The LM3414HVSDX/NOPB operates as a step-down constant current LED driver. It utilizes a switching regulator topology to efficiently convert the high input voltage to a regulated constant current output for driving LEDs. The feedback mechanism ensures precise current regulation, while the dimming control allows for flexible brightness adjustment.

Detailed Application Field Plans

The LM3414HVSDX/NOPB is well-suited for various LED lighting applications, including: - Street lighting - Industrial lighting - Architectural lighting - Automotive lighting - Signage lighting

Its wide input voltage range and adjustable switching frequency make it adaptable to different power supply configurations and LED types.

Detailed and Complete Alternative Models

• LM3414: Similar functionality with a lower input voltage range (up to 40V).
• LM3409: Step-down constant current LED driver with a higher maximum output current (up to 3A).
• LM3424: Step-up/step-down constant current LED driver with integrated boost and buck converters.

These alternative models offer different specifications and features to cater to specific application requirements.

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