Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
LNK305DN-TL

LNK305DN-TL

Product Overview

Category

LNK305DN-TL belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • Package: DIP-7
  • Essence: Offline Switcher IC
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The LNK305DN-TL has the following specifications:

  • Input Voltage Range: 85 VAC to 265 VAC
  • Output Power: Up to 5 W
  • Output Voltage: 5 V to 24 V
  • Frequency Range: 50 Hz to 60 Hz
  • Efficiency: Up to 80%
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK305DN-TL IC has a total of 7 pins. The pin configuration is as follows:

  1. Pin 1: Drain
  2. Pin 2: Source
  3. Pin 3: Feedback
  4. Pin 4: Ground
  5. Pin 5: VCC
  6. Pin 6: Control
  7. Pin 7: Sense

Functional Features

The LNK305DN-TL offers the following functional features:

  • Integrated high-voltage power MOSFET
  • Accurate constant voltage (CV) regulation
  • Built-in frequency jittering for reduced EMI
  • Auto-restart protection for overvoltage and overcurrent conditions
  • Low standby power consumption
  • High efficiency across load range

Advantages and Disadvantages

Advantages: - Compact size and easy integration - Wide input voltage range - High efficiency - Built-in protection features

Disadvantages: - Limited output power capability - Requires external components for complete power supply design

Working Principles

The LNK305DN-TL is an offline switcher IC that operates by converting the input AC voltage to a regulated DC output voltage. It utilizes a high-voltage power MOSFET to switch the input voltage at high frequency, which is then rectified and filtered to provide the desired DC output voltage. The IC incorporates various control and protection features to ensure stable and reliable operation.

Detailed Application Field Plans

The LNK305DN-TL IC finds applications in various fields, including:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Industrial power supplies
  4. Home appliances
  5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LNK305DN-TL are:

  1. LNK302DN-TL
  2. LNK304DN-TL
  3. LNK306DN-TL
  4. LNK307DN-TL
  5. LNK308DN-TL

These alternative models offer similar functionality and characteristics, providing flexibility in design choices.

In conclusion, the LNK305DN-TL is an integrated circuit used in power supply applications. It offers a wide input voltage range, high efficiency, and built-in protection features. With its compact size and various functional capabilities, it finds applications in diverse fields such as consumer electronics, lighting systems, and industrial power supplies. Additionally, there are alternative models available that provide similar functionality and characteristics.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LNK305DN-TL trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of LNK305DN-TL in technical solutions:

  1. Q: What is LNK305DN-TL? A: LNK305DN-TL is a highly integrated offline switcher IC designed for low-power applications, providing accurate constant voltage (CV) and constant current (CC) regulation.

  2. Q: What are the typical applications of LNK305DN-TL? A: LNK305DN-TL is commonly used in LED lighting, battery chargers, power adapters, and other low-power applications requiring CV and CC regulation.

  3. Q: What is the input voltage range supported by LNK305DN-TL? A: LNK305DN-TL supports a wide input voltage range from 85VAC to 265VAC, making it suitable for worldwide use.

  4. Q: How does LNK305DN-TL achieve constant voltage (CV) and constant current (CC) regulation? A: LNK305DN-TL utilizes primary-side sensing and control techniques to achieve accurate CV and CC regulation without the need for an optocoupler or secondary-side feedback circuitry.

  5. Q: Can LNK305DN-TL operate in a flyback topology? A: Yes, LNK305DN-TL can be used in a flyback topology, which is commonly employed in low-power applications.

  6. Q: Does LNK305DN-TL have built-in protection features? A: Yes, LNK305DN-TL incorporates various protection features such as output overvoltage protection (OVP), output short-circuit protection (SCP), and thermal shutdown.

  7. Q: What is the maximum output power that LNK305DN-TL can handle? A: LNK305DN-TL can handle a maximum output power of up to 10 watts, depending on the application and thermal conditions.

  8. Q: Can LNK305DN-TL be used in dimmable LED lighting applications? A: Yes, LNK305DN-TL can be used in dimmable LED lighting applications by incorporating external dimming circuitry compatible with the desired dimming method.

  9. Q: Is LNK305DN-TL compliant with safety standards? A: Yes, LNK305DN-TL is designed to comply with various safety standards such as UL, EN, and IEC, ensuring safe operation in different regions.

  10. Q: Are there any reference designs available for LNK305DN-TL? A: Yes, Power Integrations provides reference designs and application notes that can help engineers in implementing LNK305DN-TL in their technical solutions. These resources can be found on their official website.

Please note that these answers are general and may vary depending on specific design requirements and application considerations.