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LNK6425D-TL
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LNK6425D-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: ThinSOT-23-6

Essence: The LNK6425D-TL is a power management integrated circuit designed for efficient power conversion in various applications.

Packaging/Quantity: The LNK6425D-TL is available in a ThinSOT-23-6 package. It is typically sold in reels of 3000 units.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 1A
  • Efficiency: Up to 85%
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK6425D-TL has six pins arranged as follows:

  1. VDD: Power supply pin.
  2. BP/M: Bypass/Multifunction pin.
  3. FB: Feedback pin.
  4. GND: Ground pin.
  5. DRAIN: Power switch drain pin.
  6. SOURCE: Power switch source pin.

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 fault conditions.
  • Frequency jittering reduces EMI emissions.
  • Built-in over-temperature and over-voltage protection enhance system reliability.
  • Cycle-by-cycle current limit provides accurate output current regulation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Compact size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Over-temperature and over-voltage protection enhance system safety.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Lack of adjustable output voltage limits flexibility in certain designs.

Working Principles

The LNK6425D-TL utilizes primary-side control to regulate the output voltage. It integrates a power switch, oscillator, and control circuitry into a single chip. The IC operates by adjusting the duty cycle of the power switch based on the feedback signal from the output voltage. This control mechanism ensures stable and efficient power conversion.

Detailed Application Field Plans

The LNK6425D-TL 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. LNK632DG-TL
  2. LNK623DG-TL
  3. LNK625DG-TL
  4. LNK626DG-TL
  5. LNK627DG-TL

These alternative models offer similar functionality and characteristics to the LNK6425D-TL, providing options for different design requirements.

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技術ソリューションにおける LNK6425D-TL の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LNK6425D-TL in technical solutions:

  1. Q: What is LNK6425D-TL? A: LNK6425D-TL is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the key features of LNK6425D-TL? A: The key features of LNK6425D-TL include primary-side regulation, high efficiency, accurate constant current control, and built-in protection features.

  3. Q: What are the typical applications of LNK6425D-TL? A: LNK6425D-TL is commonly used in LED lighting, smart home devices, industrial controls, and other low-power applications.

  4. Q: How does LNK6425D-TL achieve primary-side regulation? A: LNK6425D-TL uses a proprietary technology called EcoSmart™ to achieve primary-side regulation, eliminating the need for an optocoupler or secondary feedback circuitry.

  5. Q: Can LNK6425D-TL operate in a wide input voltage range? A: Yes, LNK6425D-TL can operate in a wide input voltage range, typically from 85VAC to 265VAC.

  6. Q: Does LNK6425D-TL support dimming functionality for LED lighting applications? A: Yes, LNK6425D-TL supports both analog and PWM dimming for LED lighting applications.

  7. Q: What is the maximum output power that LNK6425D-TL can handle? A: LNK6425D-TL can handle a maximum output power of up to 12.5W.

  8. Q: Does LNK6425D-TL have built-in protection features? A: Yes, LNK6425D-TL has built-in protection features such as over-temperature protection, output short-circuit protection, and open-loop protection.

  9. Q: Can LNK6425D-TL operate in a wide temperature range? A: Yes, LNK6425D-TL can operate in a wide temperature range, typically from -40°C to 150°C.

  10. Q: Is LNK6425D-TL compliant with safety standards? A: Yes, LNK6425D-TL is compliant with various safety standards such as UL, CE, and ENEC.

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