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LNK501G

46kHz max switching frequency

Inventory:5,572

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Overview of LNK501G

The LNK501G is a LinkSwitch-TN energy-efficient off-line switcher IC that provides accurate and reliable power conversion for a wide range of applications. Designed for low power AC-DC power supplies, this IC integrates a high-voltage power MOSFET, a power supply controller, and a high-voltage switching power supply circuit into a single device.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • BP: Bypass Pin
  • FB: Feedback Pin
  • EN/UV: Enable/Undervoltage Lockout Pin
  • AC: Alternating Current Input
  • DC: Direct Current Output
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LNK501G IC for a visual representation.

Key Features

  • High Integration: Integrates multiple functions in a single IC, reducing external components and cost.
  • Energy-Efficient: Provides efficient power conversion, reducing energy consumption and heat generation.
  • Accurate Output Regulation: Ensures stable and reliable power output for connected devices.
  • Protection Features: Includes multiple protection mechanisms such as overvoltage protection and thermal shutdown for enhanced safety.

Note: For detailed technical specifications, please refer to the LNK501G datasheet.

Application

  • AC-DC Power Supplies: Ideal for low power AC-DC power supply applications in various electronic devices.
  • LED Lighting: Suitable for driving LED lighting systems with efficient power conversion.
  • Home Appliances: Used in energy-efficient power supplies for home appliances and consumer electronics.

Functionality

The LNK501G is a versatile off-line switcher IC that delivers efficient power conversion and accurate output regulation. It is designed to meet the power supply needs of modern electronic devices.

Usage Guide

  • Input Power: Connect the AC input pin to the alternating current input source.
  • Output Connection: Connect the DC pin to the direct current output load.
  • Feedback Loop: Use the feedback pin to regulate the output voltage as per the application requirements.

Frequently Asked Questions

Q: Can the LNK501G be used in high-power applications?
A: The LNK501G is optimized for low power AC-DC applications. For higher power requirements, consider appropriate alternatives with higher power handling capabilities.

Q: Does the LNK501G support dimming control for LED applications?
A: The LNK501G focuses on power conversion efficiency. For dimming control functionality, additional circuitry or ICs may be needed in LED lighting systems.

Equivalent

For similar functionalities, consider these alternatives to the LNK501G:

  • LNK306G: A related LinkSwitch-TN series IC offering similar features and performance for power supply applications.
  • LNK304G: Another member of the LinkSwitch-TN family providing efficient and reliable power conversion capabilities.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Series LinkSwitch® Package Bulk
Product Status Obsolete Output Isolation Isolated
Internal Switch(s) Yes Voltage - Breakdown 700V
Topology Flyback Duty Cycle 77%
Frequency - Switching 30kHz ~ 42kHz Power (Watts) 5.5 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 8-SMD (7 Leads), Gull Wing Supplier Device Package SMD-8B
Mounting Type Surface Mount Base Product Number LNK501

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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LNK501G

46kHz max switching frequency

Inventory:

5,572