Power Integrations
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LNK614PG
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LNK614PG

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-7 (Dual In-line Package)

Essence: LNK614PG is a power management integrated circuit designed to provide efficient and reliable power solutions for various electronic devices.

Packaging/Quantity: LNK614PG 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
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. BP/MODE: Feedback pin for current limit programming
  4. FB: Feedback pin for output voltage regulation
  5. DRAIN: High-voltage power MOSFET drain connection
  6. SOURCE: High-voltage power MOSFET source connection
  7. VCC: Supply voltage for internal control circuitry

Functional Features

  • Primary-side control eliminates the need for an optocoupler and secondary-side feedback components
  • Auto-restart protection feature ensures continuous operation in case of fault conditions
  • Frequency jittering reduces EMI emissions
  • Built-in thermal shutdown protection prevents damage due to excessive temperature
  • Cycle-by-cycle current limit provides accurate and reliable current regulation

Advantages

  • Simplified design with fewer external components
  • Enhanced safety features ensure reliable operation
  • High efficiency results in reduced power consumption
  • Wide input voltage range allows for global compatibility
  • Compact size enables space-saving designs

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • DIP-7 package may require additional PCB space compared to smaller packages

Working Principles

LNK614PG utilizes primary-side control, where the feedback signal is obtained directly from the primary side of the power transformer. This eliminates the need for an optocoupler and secondary-side feedback components, simplifying the design and reducing costs. The IC operates by regulating the duty cycle of the power MOSFET based on the feedback signal, ensuring a stable output voltage.

Detailed Application Field Plans

LNK614PG is commonly used in various low-power electronic devices, including but not limited to: - LED lighting systems - Home appliances - Industrial controls - Consumer electronics - Power adapters

Detailed and Complete Alternative Models

  1. LNK616PG: Similar to LNK614PG with higher output current capability (up to 400mA)
  2. LNK613PG: Similar to LNK614PG with lower output current capability (up to 100mA)
  3. LNK615PG: Similar to LNK614PG with additional features such as adjustable output voltage

These alternative models provide flexibility in choosing the appropriate IC based on specific application requirements.

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기술 솔루션에 LNK614PG 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of LNK614PG in technical solutions:

  1. Q: What is LNK614PG? A: LNK614PG is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the typical applications of LNK614PG? A: LNK614PG 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 LNK614PG? A: LNK614PG supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the output power range that LNK614PG can handle? A: LNK614PG can handle an output power range of up to 6W.

  5. Q: Does LNK614PG require an external heat sink for thermal management? A: No, LNK614PG does not require an external heat sink as it has built-in thermal protection features.

  6. Q: Can LNK614PG operate in a wide temperature range? A: Yes, LNK614PG is designed to operate in a wide temperature range from -40°C to +150°C.

  7. Q: Does LNK614PG support dimming functionality for LED lighting applications? A: Yes, LNK614PG supports both analog and PWM dimming for LED lighting applications.

  8. Q: Is LNK614PG compliant with safety standards? A: Yes, LNK614PG is compliant with various safety standards such as UL, CE, and ENEC.

  9. Q: Can LNK614PG be used in isolated or non-isolated designs? A: LNK614PG can be used in both isolated and non-isolated designs, providing flexibility in application design.

  10. Q: What are the key advantages of using LNK614PG in technical solutions? A: Some key advantages of using LNK614PG include high efficiency, low standby power consumption, compact size, and built-in protection features.

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