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LNK6774K-TL
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LNK6774K-TL

Product Overview

Category

LNK6774K-TL belongs to the category of integrated circuits (ICs).

Use

The LNK6774K-TL is primarily used for power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size
  • Low power consumption

Package

The LNK6774K-TL is available in a small outline transistor (SOT) package.

Essence

The essence of LNK6774K-TL lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

The LNK6774K-TL is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

The specifications of LNK6774K-TL include:

  • Input voltage range: 85VAC to 265VAC
  • Output power: Up to 7.5W
  • Operating frequency: 132 kHz
  • Efficiency: Up to 87%
  • Standby power consumption: Less than 30mW
  • Overload protection: Yes
  • Short-circuit protection: Yes
  • Thermal shutdown: Yes

Detailed Pin Configuration

The pin configuration of LNK6774K-TL is as follows:

  1. VDD - Power supply input
  2. BP/MODE - Feedback and control pin
  3. GND - Ground
  4. DRAIN - Power switch drain
  5. SOURCE - Power switch source

Functional Features

The LNK6774K-TL offers the following functional features:

  • Primary-side control for simplified design
  • Constant voltage (CV) and constant current (CC) operation modes
  • Built-in over-temperature protection
  • Auto-restart after fault condition removal
  • Frequency jittering for reduced electromagnetic interference (EMI)
  • Cycle-by-cycle current limit

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size allows for space-saving designs
  • Integrated protection features enhance reliability
  • Primary-side control simplifies circuit design

Disadvantages

  • Limited output power compared to higher-rated devices
  • May not be suitable for high-power applications

Working Principles

The LNK6774K-TL operates on the principle of primary-side control, where the feedback and control signals are derived from the primary side of the circuit. It regulates the output voltage and current by adjusting the duty cycle of the power switch.

Detailed Application Field Plans

The LNK6774K-TL is commonly used in the following application fields:

  1. LED lighting systems
  2. Consumer electronics
  3. Home appliances
  4. Industrial automation
  5. Power adapters

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LNK6774K-TL include:

  1. LNK6774K-TLX
  2. LNK6774K-TLY
  3. LNK6774K-TLZ
  4. LNK6774K-TLA

These models are part of the same series and provide comparable features and specifications.

In conclusion, the LNK6774K-TL integrated circuit offers efficient power management capabilities for various electronic devices. Its compact size, high efficiency, and integrated protection features make it a popular choice in applications such as LED lighting systems, consumer electronics, and home appliances. While it may have limitations in terms of output power, there are alternative models available within the same series to suit different requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LNK6774K-TL v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LNK6774K-TL in technical solutions:

  1. Q: What is LNK6774K-TL? A: LNK6774K-TL is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the key features of LNK6774K-TL? A: Some key features include primary-side regulation, high efficiency, accurate constant current control, and built-in protection features.

  3. Q: What are the typical applications of LNK6774K-TL? A: LNK6774K-TL is commonly used in LED lighting, smart home devices, industrial controls, and other low-power applications.

  4. Q: How does LNK6774K-TL achieve primary-side regulation? A: LNK6774K-TL uses a proprietary algorithm called EcoSmart™ to regulate the output voltage directly from the primary side, eliminating the need for an optocoupler or secondary feedback circuitry.

  5. Q: Can LNK6774K-TL support dimming functionality for LED lighting applications? A: Yes, LNK6774K-TL can support both analog and PWM dimming methods for LED lighting applications.

  6. Q: What is the maximum output power that LNK6774K-TL can handle? A: LNK6774K-TL can handle up to 7.5 watts of output power.

  7. Q: Does LNK6774K-TL have any built-in protection features? A: Yes, LNK6774K-TL has built-in features like over-temperature protection, output short-circuit protection, and open-loop protection.

  8. Q: Can LNK6774K-TL operate in a wide input voltage range? A: Yes, LNK6774K-TL can operate in a wide input voltage range of 85VAC to 265VAC.

  9. Q: Is LNK6774K-TL compliant with safety standards? A: Yes, LNK6774K-TL is compliant with various safety standards such as UL, CE, and ENEC.

  10. Q: Are evaluation boards or reference designs available for LNK6774K-TL? A: Yes, Power Integrations provides evaluation boards and reference designs to help engineers quickly prototype and implement solutions using LNK6774K-TL.

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