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LNK416LG
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LNK416LG

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 - Over-voltage protection - Short-circuit protection

Package: SOP-7 (Small Outline Package)

Essence: The LNK416LG is a power management IC designed for low power applications. It provides efficient power conversion and protection features in a compact package.

Packaging/Quantity: The LNK416LG is available in a SOP-7 package, with each unit containing one IC.

Specifications

The LNK416LG has the following specifications:

  • Input Voltage Range: 85V - 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 100mA
  • Efficiency: >80%
  • Operating Temperature Range: -40°C to +125°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The LNK416LG has a SOP-7 package with the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. DRAIN: High-voltage power MOSFET drain connection
  5. SOURCE: High-voltage power MOSFET source connection
  6. NC: No connection
  7. VOUT: Output voltage

Functional Features

The LNK416LG offers the following functional features:

  1. Power Conversion: Efficiently converts high-voltage AC input to low-voltage DC output.
  2. Over-Temperature Protection: Monitors temperature and shuts down the device if it exceeds the specified limit.
  3. Over-Voltage Protection: Safeguards against excessive output voltage, preventing damage to connected devices.
  4. Short-Circuit Protection: Detects and protects against short-circuits in the output circuitry.

Advantages and Disadvantages

Advantages: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Over-temperature, over-voltage, and short-circuit protection

Disadvantages: - Limited output current capacity (up to 100mA)

Working Principles

The LNK416LG utilizes a flyback converter topology to achieve efficient power conversion. It operates by storing energy in an inductor during the switch-on period and releasing it to the output during the switch-off period. This allows for high-voltage AC input to be converted to low-voltage DC output with minimal power loss.

Detailed Application Field Plans

The LNK416LG is suitable for various low-power applications, including but not limited to:

  1. LED lighting systems
  2. Home appliances
  3. IoT devices
  4. Battery chargers
  5. Industrial control systems

Detailed and Complete Alternative Models

  1. LNK416EG: Similar specifications and features, but with extended temperature range (-40°C to +150°C).
  2. LNK416PG: Higher output current capacity (up to 200mA) while maintaining similar characteristics.

These alternative models provide options for different application requirements while maintaining the core functionality of the LNK416LG.

In conclusion, the LNK416LG is a power management IC designed for low-power applications. With its compact size, high efficiency, and comprehensive protection features, it offers an effective solution for various electronic devices.

技術ソリューションにおける LNK416LG の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LNK416LG in technical solutions:

  1. Q: What is LNK416LG? A: LNK416LG is a low-cost, energy-efficient integrated circuit (IC) designed for offline power conversion applications.

  2. Q: What are the typical applications of LNK416LG? A: LNK416LG is commonly used in applications such as LED lighting, smart home devices, industrial controls, and consumer electronics.

  3. Q: What is the input voltage range supported by LNK416LG? A: LNK416LG supports an input voltage range of 85VAC to 265VAC, making it suitable for worldwide use.

  4. Q: Can LNK416LG be used in dimmable lighting applications? A: Yes, LNK416LG can be used in dimmable lighting applications with the addition of external components like a TRIAC or PWM controller.

  5. Q: Does LNK416LG have built-in protection features? A: Yes, LNK416LG incorporates various protection features including over-temperature protection, output short-circuit protection, and open-loop protection.

  6. Q: What is the maximum output power that LNK416LG can handle? A: LNK416LG can handle a maximum output power of up to 7.5W, depending on the specific application and thermal conditions.

  7. Q: Is LNK416LG compatible with both constant voltage and constant current applications? A: Yes, LNK416LG can be used in both constant voltage and constant current applications, providing flexibility in design.

  8. Q: Can LNK416LG operate in a wide temperature range? A: Yes, LNK416LG has a wide operating temperature range of -40°C to +150°C, allowing it to be used in various environments.

  9. Q: Does LNK416LG require an external heatsink for thermal management? A: In most applications, LNK416LG does not require an external heatsink due to its low power dissipation and built-in thermal protection.

  10. Q: Are there any reference designs available for LNK416LG? A: Yes, Power Integrations provides reference designs and application notes that can help designers implement LNK416LG in their projects efficiently.

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