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LNK363DN
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LNK363DN

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 - Under-voltage lockout - Auto-restart protection

Package: DIP-7 (Dual In-line Package)

Essence: LNK363DN is a power management IC designed for low power applications. It provides efficient and reliable power conversion with various built-in protections.

Packaging/Quantity: LNK363DN is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 1A
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 85%
  • Standby Power Consumption: Less than 100mW

Detailed Pin Configuration

LNK363DN has the following pin configuration:

  1. VDD: Power supply input
  2. BP/M: Bypass/Multifunction pin
  3. FB: Feedback pin
  4. GND: Ground
  5. D: Drain pin
  6. S: Source pin
  7. NC: No connection

Functional Features

  1. Primary-Side Control: The LNK363DN utilizes primary-side control, eliminating the need for an optocoupler or secondary-side feedback circuitry.
  2. Auto-Recovery Protection: In case of a fault condition, such as over-current or over-temperature, the IC automatically enters a self-recovery mode once the fault is removed.
  3. Frequency Jittering: The frequency jittering feature reduces EMI emissions, ensuring compliance with electromagnetic compatibility (EMC) standards.
  4. Cycle-by-Cycle Current Limiting: The IC provides precise current limiting, protecting the system from overloads and short circuits.

Advantages

  • Simplified design due to primary-side control
  • Reduced component count and cost
  • Enhanced reliability with built-in protections
  • High efficiency leading to energy savings
  • Wide input voltage range allows for global compatibility

Disadvantages

  • Limited output current compared to higher power ICs
  • Not suitable for high-power applications

Working Principles

LNK363DN operates on a flyback topology, where energy is stored in the transformer during the switch-on period and transferred to the output during the switch-off period. The primary-side control eliminates the need for an optocoupler by utilizing the feedback signal from the secondary side through an auxiliary winding.

Detailed Application Field Plans

  1. LED Lighting: LNK363DN can be used in LED lighting applications, providing efficient power conversion for driving LEDs.
  2. Home Appliances: It can be employed in various home appliances, such as smart plugs, smart switches, and low-power chargers.
  3. Industrial Control Systems: The IC finds application in industrial control systems, offering reliable power management for sensors, actuators, and other low-power devices.

Detailed and Complete Alternative Models

  1. TNY364PN: Similar power management IC with slightly different pin configuration but comparable specifications.
  2. LNK364GN: Another alternative with improved efficiency and additional features like frequency dithering.

Note: This list is not exhaustive, and there are several other alternative models available in the market.

In conclusion, LNK363DN is a power management IC designed for low power applications. With its compact size, high efficiency, and built-in protections, it offers a reliable solution for various electronic devices. Its primary-side control and auto-recovery protection make it an attractive choice for designers looking to simplify their circuitry and enhance system reliability.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LNK363DN :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of LNK363DN in technical solutions:

  1. Q: What is LNK363DN? A: LNK363DN is a highly integrated, energy-efficient offline switcher IC designed for low-power applications.

  2. Q: What are the typical applications of LNK363DN? A: LNK363DN 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 LNK363DN? A: LNK363DN supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the output power range that LNK363DN can handle? A: LNK363DN can handle output power ranging from a few watts up to 15 watts.

  5. Q: Does LNK363DN require an external heatsink? A: No, LNK363DN is designed to operate without an external heatsink, making it suitable for space-constrained applications.

  6. Q: Can LNK363DN be used in dimmable lighting applications? A: Yes, LNK363DN can be used in dimmable lighting applications with the addition of an external dimming circuit.

  7. Q: Is LNK363DN compatible with both constant voltage and constant current applications? A: Yes, LNK363DN is compatible with both constant voltage and constant current applications, providing flexibility in design.

  8. Q: Does LNK363DN have built-in protection features? A: Yes, LNK363DN incorporates various protection features such as over-temperature protection, output short-circuit protection, and open-loop protection.

  9. Q: Can LNK363DN operate in a wide temperature range? A: Yes, LNK363DN is designed to operate reliably in a wide temperature range from -40°C to 150°C.

  10. Q: Is LNK363DN compliant with safety standards and regulations? A: Yes, LNK363DN is compliant with various safety standards such as UL, CE, and IEC, ensuring its suitability for global markets.

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