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LNK501GN-TL
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LNK501GN-TL

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

Package: SOT-223

Essence: LNK501GN-TL is a power management integrated circuit designed for efficient power conversion in various electronic devices.

Packaging/Quantity: The LNK501GN-TL is typically packaged in reels containing 2500 units per reel.

Specifications

The LNK501GN-TL has the following specifications:

  • Input Voltage Range: 85VAC to 265VAC
  • Output Voltage: 5V
  • Output Current: 500mA
  • Switching Frequency: 132 kHz
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK501GN-TL features 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

Functional Features

The LNK501GN-TL offers the following functional features:

  • Primary-side control eliminates the need for an optocoupler and secondary-side feedback components.
  • Auto-restart protection feature ensures continuous operation even in the event of a fault condition.
  • Accurate output voltage regulation provides stable power supply to connected devices.
  • Built-in over-temperature and over-voltage protection safeguards against potential damage.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size allows for space-saving designs - Wide input voltage range enables compatibility with various power sources - Integrated protection features enhance reliability and safety

Disadvantages: - Limited output current capacity (500mA) - Restricted operating temperature range (-40°C to +150°C)

Working Principles

The LNK501GN-TL utilizes primary-side control technology to regulate the output voltage. It operates by modulating the duty cycle of the internal power switch based on the feedback received from the secondary side. This approach eliminates the need for an optocoupler and simplifies the design, resulting in cost savings and improved efficiency.

Detailed Application Field Plans

The LNK501GN-TL is commonly used in the following applications:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Industrial automation equipment
  4. Home appliances
  5. Battery chargers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LNK501GN-TL include:

  1. LNK502GN-TL
  2. LNK503GN-TL
  3. LNK504GN-TL
  4. LNK505GN-TL

These models are part of the same product family and provide varying output voltage and current options to suit different application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LNK501GN-TL en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LNK501GN-TL in technical solutions:

  1. Q: What is LNK501GN-TL? A: LNK501GN-TL is a highly integrated offline switcher IC designed for low-power applications, offering high efficiency and excellent performance.

  2. Q: What are the typical applications of LNK501GN-TL? A: LNK501GN-TL is commonly used in various applications such as LED lighting, smart home devices, industrial controls, and consumer electronics.

  3. Q: What is the input voltage range supported by LNK501GN-TL? A: LNK501GN-TL supports a wide input voltage range from 85VAC to 265VAC, making it suitable for global applications.

  4. Q: What is the maximum output power that can be achieved with LNK501GN-TL? A: The maximum output power depends on the specific design and application, but LNK501GN-TL can handle power levels up to 7.5W.

  5. Q: Does LNK501GN-TL require an external MOSFET? A: No, LNK501GN-TL integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET in most applications.

  6. Q: Can LNK501GN-TL operate in a constant current mode? A: Yes, LNK501GN-TL supports both constant voltage (CV) and constant current (CC) modes, providing flexibility for different load requirements.

  7. Q: Is LNK501GN-TL compatible with dimming functionality for LED lighting applications? A: Yes, LNK501GN-TL offers built-in dimming control options, allowing easy integration of dimming functionality in LED lighting designs.

  8. Q: What are the key protection features provided by LNK501GN-TL? A: LNK501GN-TL includes various protection features such as over-temperature protection (OTP), output short-circuit protection, and open-loop protection.

  9. Q: Can LNK501GN-TL operate in a wide temperature range? A: Yes, LNK501GN-TL is designed to operate reliably in a wide temperature range from -40°C to 150°C, ensuring performance in harsh environments.

  10. Q: Is LNK501GN-TL compliant with safety standards and regulations? A: Yes, LNK501GN-TL is compliant with international safety standards such as UL, CE, and IEC, ensuring safe operation in various applications.

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