LNK615DG-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Over-temperature protection - Short-circuit protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The LNK615DG-TL is a power management IC designed for efficient energy conversion and regulation in various electronic devices.

Packaging/Quantity: The LNK615DG-TL is typically sold in reels, with 3000 units per reel.

Specifications

The LNK615DG-TL has the following specifications:

• Input Voltage Range: 85V AC to 265V AC
• Output Voltage: 5V DC
• Output Current: Up to 1.5A
• Switching Frequency: 132 kHz
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK615DG-TL features an 8-pin Dual Flat No-Lead (DFN-8) package with the following pin configuration:

1. VDD
2. BP/MODE
3. FB
4. GND
5. Drain
6. NC
7. Source
8. VDD

Functional Features

The LNK615DG-TL offers the following functional features:

• Primary-side control for simplified design
• Integrated high-voltage MOSFET
• Auto-restart protection for fault conditions
• Frequency jittering for reduced EMI emissions
• Cycle-by-cycle current limit
• Line undervoltage lockout (UVLO)
• Output overvoltage protection (OVP)

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size for space-constrained applications - Wide input voltage range for versatile use - Built-in protection features for enhanced reliability

Disadvantages: - Limited output current capacity (up to 1.5A) - Requires external components for complete power supply design

Working Principles

The LNK615DG-TL operates on the principle of primary-side control, where the control circuitry is located on the primary side of the power conversion process. It utilizes a high-voltage MOSFET to regulate the energy transfer from the input to the output. The integrated control features ensure efficient and reliable power management.

Detailed Application Field Plans

The LNK615DG-TL is commonly used in various applications, including:

1. Power adapters for consumer electronics
2. LED lighting systems
3. Industrial power supplies
4. Home automation devices
5. Battery chargers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LNK615DG-TL include:

1. LNK616DG-TL
2. LNK617DG-TL
3. LNK618DG-TL
4. LNK619DG-TL

These models are part of the same product family and provide comparable features and specifications.

In conclusion, the LNK615DG-TL is a highly efficient power management IC designed for various electronic applications. Its compact size, wide input voltage range, and integrated protection features make it a popular choice among designers. However, its limited output current capacity and the need for additional external components should be considered when selecting this IC for specific projects.