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LNK614DG
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LNK614DG

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: DIP-8 (Dual In-line Package)

Essence: LNK614DG is a power management IC designed to provide efficient and reliable power conversion for various electronic devices.

Packaging/Quantity: The LNK614DG 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 200mA
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 85%
  • Standby Power Consumption: Less than 100mW

Detailed Pin Configuration

  1. VDD: Power supply input
  2. FB: Feedback pin for regulating output voltage
  3. GND: Ground reference
  4. BP/MODE: Burst mode control pin
  5. DRAIN: High-voltage power MOSFET drain connection
  6. SOURCE: High-voltage power MOSFET source connection
  7. VCC: Supply voltage for internal control circuitry
  8. NC: No connection

Functional Features

  • Primary-side regulation (PSR) eliminates the need for an optocoupler or secondary-side feedback circuitry
  • Auto-restart protection feature ensures continuous operation even in the event of a fault condition
  • Frequency jittering reduces EMI emissions
  • Built-in thermal shutdown protection prevents damage due to excessive temperature
  • Cycle-by-cycle current limit provides short-circuit protection

Advantages and Disadvantages

Advantages: - Simplified design due to primary-side regulation - High efficiency results in reduced power consumption - Compact size allows for space-saving integration - Wide input voltage range enables compatibility with various power sources

Disadvantages: - Limited output current capacity (up to 200mA) - Higher cost compared to non-integrated solutions - Requires careful thermal management due to high operating temperature range

Working Principles

The LNK614DG utilizes a flyback topology to convert the high-voltage AC input into low-voltage DC output. The primary-side regulation eliminates the need for an optocoupler or secondary-side feedback circuitry, simplifying the design and reducing component count. The integrated control circuitry ensures efficient power conversion while providing protection against fault conditions such as over-temperature, over-voltage, and short-circuit.

Detailed Application Field Plans

The LNK614DG is commonly 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. LNK616DG
  2. LNK617DG
  3. LNK618DG
  4. LNK619DG
  5. LNK620DG

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable power management IC for specific applications.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LNK614DG :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of LNK614DG in technical solutions:

  1. Q: What is LNK614DG? A: LNK614DG is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the typical applications of LNK614DG? A: LNK614DG 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 LNK614DG? A: LNK614DG supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the output power range of LNK614DG? A: The output power range of LNK614DG is typically up to 6W.

  5. Q: Does LNK614DG require an external MOSFET? A: No, LNK614DG integrates a high-voltage MOSFET, eliminating the need for an external one.

  6. Q: Can LNK614DG operate in a wide temperature range? A: Yes, LNK614DG is designed to operate reliably in a temperature range of -40°C to +150°C.

  7. Q: Does LNK614DG have built-in protection features? A: Yes, LNK614DG incorporates various protection features like thermal shutdown, output short-circuit protection, and open-loop protection.

  8. Q: Is LNK614DG compliant with safety standards? A: Yes, LNK614DG is designed to meet international safety standards such as UL, CE, and IEC.

  9. Q: Can LNK614DG be used in dimmable lighting applications? A: Yes, LNK614DG can be used in dimmable lighting applications with the addition of external components.

  10. Q: What are the advantages of using LNK614DG in technical solutions? A: Some advantages of using LNK614DG include high efficiency, low standby power consumption, compact size, and simplified design due to its integrated features.

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