LYT5218D

LYT5218D Product Details

Product Overview

The LYT5218D is a high-performance LED driver IC designed by Power Integrations, providing a reliable constant current (CC) output with integrated power factor correction (PFC). This device achieves high efficiency and superior power quality in LED lighting applications through its advanced single-stage design. With its robust feature set and high compatibility across various topologies, the LYT5218D offers an ideal solution for applications requiring precision, reliability, and energy efficiency, making it highly suitable for LED bulbs, tubes, and ballast systems used in residential, commercial, and industrial environments.

Key Features and Benefits

• Precise Constant Current (CC) Output: Achieves an accuracy better than ±3%, ensuring stable, high-quality LED performance.

• Integrated Power Factor Correction (PFC): Delivers high power factor values (typically >0.9) for improved energy efficiency.

• Low Total Harmonic Distortion (THD): Less than 10%, enhancing the power quality and reducing electrical noise.

• Flexible Topology Compatibility: Supports multiple configurations including buck, buck-boost, tapped-buck, and both isolated and non-isolated flyback topologies.

• High Efficiency: Provides efficiency levels exceeding 90% in optimized designs, contributing to lower energy consumption and reduced thermal footprint.

• Extended Product Life: Designed without electrolytic bulk capacitors or optoisolators, which significantly increases its longevity.

• Built-in Protection Mechanisms: Features robust protections like overvoltage, open-loop, thermal foldback, and hysteretic shutdown for safe, reliable operation.

Product Specifications

Application Range

The LYT5218D is a versatile choice for various LED lighting solutions, providing consistent performance and reliability across multiple applications:

• LED Bulbs: Ensures efficient, stable current for household and commercial LED bulbs, enhancing their longevity and energy efficiency.

• LED Tubes: Suitable for industrial and office lighting in the form of LED tube lighting, providing low maintenance and high brightness.

• LED Ballasts: Compatible with ballast applications, offering precise current control for systems retrofitting existing fixtures.

Use Cases

The LYT5218D is especially beneficial in lighting scenarios demanding high-quality LED operation and energy efficiency. Its integrated PFC and CC output make it ideal for use in:

• Residential Lighting: Adds energy efficiency and improved light quality in household settings, helping reduce costs and increase comfort.

• Commercial Lighting: Provides reliable lighting solutions for offices, retail outlets, and hospitality, enhancing the atmosphere with quality, regulated lighting.

• Industrial Lighting: Ideal for factory and warehouse lighting, capable of operating in harsh environments with minimized maintenance needs.

Shipping and Logistics

Several logistics options are available for international orders:

• Air Freight: Offers fast delivery and is suitable for time-sensitive shipments but generally comes with higher costs.

• Sea Freight: A cost-effective choice for large-volume orders, though it takes longer compared to air transport.

• Express Couriers: Services like DHL, FedEx, and UPS provide door-to-door delivery with tracking options, ideal for smaller, urgent shipments.

• Postal Services: National postal services offer a budget-friendly option for lightweight packages, with variable delivery times.

Frequently Asked Questions (FAQs)

1. What output power does the LYT5218D support?
   The LYT5218D provides up to 25 W of output power, suitable for a variety of LED lighting configurations.

2. Is the LYT5218D compatible with isolated topologies?
   Yes, it can support both isolated and non-isolated flyback configurations, offering flexibility in design applications.

3. What protection features are integrated in the LYT5218D?
   This IC includes comprehensive protections: overvoltage, open-loop protection, thermal foldback, and hysteretic shutdown.

4. What is the maximum operating temperature range?
   The LYT5218D operates between -40°C and +150°C, ensuring reliable performance under extreme conditions.