LNK4115D-TL

Product Overview

Category

LNK4115D-TL belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in various electronic devices and systems for power management applications.

Characteristics

• LNK4115D-TL is a highly efficient, low-power offline switcher IC.
• It incorporates a 700 V power MOSFET, oscillator, simple ON/OFF control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit, and thermal shutdown circuitry.
• The IC operates in a wide input voltage range and provides accurate output voltage regulation.

Package

LNK4115D-TL is available in a compact and industry-standard SOT-23 package.

Essence

The essence of LNK4115D-TL lies in its ability to efficiently regulate power in various electronic devices while ensuring safety and reliability.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of LNK4115D-TL ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 85 VAC to 265 VAC
• Output Power: Up to 3 W
• Output Voltage: Configurable based on application requirements
• Operating Frequency: 132 kHz
• Efficiency: Up to 80%
• Standby Power Consumption: Less than 30 mW
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

LNK4115D-TL features a standard pin configuration:

1. Drain (D)
2. Source (S)
3. Feedback (FB)
4. Ground (GND)

Functional Features

• Integrated high-voltage power MOSFET enables direct connection to the AC line input.
• Frequency jittering reduces EMI (Electromagnetic Interference).
• Cycle-by-cycle current limit provides protection against overcurrent conditions.
• Thermal shutdown circuitry prevents the IC from overheating.
• Simple ON/OFF control scheme facilitates easy integration into various applications.

Advantages and Disadvantages

Advantages

• High efficiency and low power consumption.
• Wide input voltage range allows for global compatibility.
• Compact SOT-23 package enables space-saving designs.
• Integrated safety features enhance reliability.
• Cost-effective solution for power management applications.

Disadvantages

• Limited output power capability (up to 3 W).
• Requires external components for complete functionality.
• Not suitable for high-power applications.

Working Principles

LNK4115D-TL operates on the principle of switching power conversion. It utilizes a high-voltage MOSFET to switch the input voltage, which is then regulated to provide the desired output voltage. The IC incorporates various control mechanisms to ensure efficient power transfer and protection against fault conditions.

Detailed Application Field Plans

LNK4115D-TL finds extensive application in the following areas:

1. Consumer Electronics: Power supplies for televisions, set-top boxes, audio systems, etc.
2. Lighting: LED drivers, compact fluorescent lamp (CFL) ballasts, etc.
3. Home Appliances: Power management circuits for refrigerators, air conditioners, washing machines, etc.
4. Industrial Equipment: Power supplies for industrial automation systems, motor drives, etc.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LNK4115D-TL include:

1. LNK410EG
2. LNK412EG
3. LNK413EG
4. LNK414EG

These models are manufactured by the same company and provide comparable performance characteristics.

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