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LNK417EG
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LNK417EG

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Over-temperature protection - Over-voltage protection - Over-current protection

Package: SOP-7

Essence: The LNK417EG is a power management IC designed for various applications, providing high efficiency and reliable performance.

Packaging/Quantity: The LNK417EG is available in a standard SOP-7 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 1A
  • Switching Frequency: 132 kHz
  • Standby Power Consumption: Less than 50 mW
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK417EG features the following pin configuration:

  1. VDD: Power supply input
  2. BP/MODE: Feedback and control pin
  3. FB: Feedback pin
  4. GND: Ground
  5. DRAIN: High-voltage power MOSFET drain connection
  6. SOURCE: High-voltage power MOSFET source connection
  7. NC: No connection

Functional Features

  1. High Efficiency: The LNK417EG incorporates advanced circuitry that ensures high efficiency, reducing power losses and improving overall energy conversion.
  2. Low Standby Power Consumption: With its low standby power consumption, the LNK417EG helps minimize energy wastage during idle periods.
  3. Wide Input Voltage Range: The IC can operate within a wide input voltage range, making it suitable for use in various regions with different power supply standards.
  4. Over-Temperature Protection: The LNK417EG includes built-in protection mechanisms to prevent overheating, ensuring safe and reliable operation.
  5. Over-Voltage and Over-Current Protection: The IC features over-voltage and over-current protection, safeguarding connected devices from potential damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile applications - Over-temperature, over-voltage, and over-current protection enhance reliability and safety

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The LNK417EG utilizes a flyback converter topology to efficiently convert the high input voltage to a regulated low output voltage. It employs primary-side control, eliminating the need for an optocoupler or secondary-side feedback circuitry. This simplifies the design and reduces component count, resulting in cost-effective solutions.

Detailed Application Field Plans

The LNK417EG is widely used in various applications, including but not limited to: - Power adapters - LED lighting - Home appliances - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. LNK416EG: Similar to LNK417EG, but with a lower output current capacity of up to 500mA.
  2. LNK418EG: Similar to LNK417EG, but with a higher output current capacity of up to 1.5A.
  3. LNK419EG: Similar to LNK417EG, but with additional features such as frequency jittering for improved EMI performance.

These alternative models provide flexibility in choosing the most suitable power management IC based on specific application requirements.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng LNK417EG sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of LNK417EG in technical solutions:

  1. Q: What is LNK417EG? A: LNK417EG is a highly integrated, energy-efficient power IC that combines a primary-side regulated flyback controller with safety and protection features.

  2. Q: What are the typical applications of LNK417EG? A: LNK417EG is commonly used in various low-power applications such as home appliances, industrial controls, LED lighting, and IoT devices.

  3. Q: How does LNK417EG help in energy efficiency? A: LNK417EG incorporates advanced EcoSmart technology, which enables high energy efficiency by optimizing the switching frequency based on load conditions.

  4. Q: Can LNK417EG handle different input voltage ranges? A: Yes, LNK417EG supports a wide input voltage range, typically from 85VAC to 265VAC, making it suitable for global applications.

  5. Q: Does LNK417EG provide any protection features? A: Yes, LNK417EG offers comprehensive protection features like output overvoltage protection (OVP), output short-circuit protection (SCP), and thermal shutdown.

  6. Q: Is LNK417EG easy to design with? A: Absolutely! LNK417EG simplifies the design process by eliminating the need for optocouplers and secondary-side feedback components, reducing component count and cost.

  7. Q: Can LNK417EG operate in a wide temperature range? A: Yes, LNK417EG has a wide operating temperature range of -40°C to +150°C, ensuring reliable performance even in harsh environments.

  8. Q: Does LNK417EG support dimming functionality for LED lighting applications? A: Yes, LNK417EG supports both analog and PWM dimming methods, making it suitable for LED lighting applications that require adjustable brightness.

  9. Q: Can LNK417EG be used in battery-powered applications? A: No, LNK417EG is primarily designed for line-powered applications and requires an AC input voltage.

  10. Q: Are there any evaluation boards or reference designs available for LNK417EG? A: Yes, Power Integrations provides evaluation boards and reference designs to help engineers quickly prototype and implement solutions using LNK417EG.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.