Power Integrations
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LNK6773E
詳細を表示 DataSheets

LNK6773E

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Over-temperature protection - Over-voltage protection - Over-current protection

Package: DIP-7 (Dual In-line Package 7 pins)

Essence: The LNK6773E is a power management IC designed to provide efficient and reliable power conversion for various applications.

Packaging/Quantity: The LNK6773E is typically sold in reels containing 2500 units per reel.

Specifications

The LNK6773E has the following specifications:

  • Input Voltage Range: 85 VAC to 265 VAC
  • Output Voltage: 5 VDC
  • Output Current: 1.5 A
  • Switching Frequency: 132 kHz
  • Standby Power Consumption: <100 mW
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK6773E features a DIP-7 package with the following pin configuration:

  1. VCC: Power supply input
  2. BP/MODE: Feedback and control pin
  3. GND: Ground reference
  4. FB: Feedback pin
  5. DRAIN: High-voltage power MOSFET drain connection
  6. SOURCE: High-voltage power MOSFET source connection
  7. NC: No connection

Functional Features

The LNK6773E offers the following functional features:

  • Primary-side regulation (PSR) control
  • Constant output voltage
  • Over-temperature protection
  • Over-voltage protection
  • Over-current protection
  • Auto-restart after fault condition removal

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range for universal compatibility - Compact and cost-effective solution - Built-in protection features for enhanced reliability

Disadvantages: - Limited output current capacity (1.5 A) - Requires external components for complete power supply design

Working Principles

The LNK6773E utilizes primary-side regulation (PSR) control to achieve high efficiency power conversion. It operates by modulating the duty cycle of the internal power MOSFET based on the feedback signal received from the FB pin. This allows for precise control of the output voltage while minimizing power losses.

Detailed Application Field Plans

The LNK6773E is commonly used in various applications, including:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Industrial power supplies
  4. Home appliances
  5. Smart home devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LNK6773E are:

  1. LNK6774E
  2. LNK6775E
  3. LNK6776E
  4. LNK6777E
  5. LNK6778E

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific application requirements.

In conclusion, the LNK6773E is a highly efficient power management IC designed for various applications. With its compact size, wide input voltage range, and built-in protection features, it offers a reliable and cost-effective solution for power conversion needs.

技術ソリューションにおける LNK6773E 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 LNK6773E in technical solutions:

  1. Q: What is LNK6773E? A: LNK6773E is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the key features of LNK6773E? A: The key features of LNK6773E include primary-side regulation, high efficiency, accurate constant current control, and comprehensive protection features.

  3. Q: What are the typical applications of LNK6773E? A: LNK6773E is commonly used in LED lighting, smart home devices, industrial controls, and other low-power applications.

  4. Q: How does LNK6773E achieve primary-side regulation? A: LNK6773E uses a proprietary algorithm called EcoSmart™ to achieve primary-side regulation, eliminating the need for an optocoupler or secondary feedback circuitry.

  5. Q: Can LNK6773E operate in a wide input voltage range? A: Yes, LNK6773E can operate in a wide input voltage range, typically from 85VAC to 265VAC.

  6. Q: Does LNK6773E support dimming functionality for LED lighting? A: Yes, LNK6773E supports both analog and PWM dimming methods for LED lighting applications.

  7. Q: What is the efficiency of LNK6773E? A: LNK6773E offers high efficiency, typically up to 88%, which helps reduce power consumption and heat dissipation.

  8. Q: What protection features are available in LNK6773E? A: LNK6773E includes protection features such as output overvoltage protection, output short-circuit protection, and thermal shutdown.

  9. Q: Can LNK6773E be used in offline flyback converter designs? A: Yes, LNK6773E is specifically designed for offline flyback converter applications.

  10. Q: Are evaluation boards or reference designs available for LNK6773E? A: Yes, Power Integrations provides evaluation boards and reference designs to help engineers quickly prototype and implement solutions using LNK6773E.

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