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TOP247YN
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TOP247YN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: TO-220
  • Essence: Offline Switcher
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 60W
  • Frequency Range: 50Hz to 400Hz
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 88%
  • Standby Power: Less than 100mW

Detailed Pin Configuration

  1. Drain
  2. Source
  3. Feedback
  4. Ground
  5. VCC
  6. Control
  7. Sense
  8. Compensation

Functional Features

  • Primary-Side Regulation (PSR) Control
  • Built-in High-Voltage Power MOSFET
  • Auto-restart Protection for Overload and Open Loop Faults
  • Frequency Jittering for EMI Reduction
  • Cycle-by-Cycle Current Limiting
  • Line Under-Voltage Lockout with Hysteresis
  • Thermal Shutdown Protection

Advantages

  • High Efficiency Enables Energy Savings
  • Low Standby Power Reduces Power Consumption in Idle Mode
  • Wide Input Voltage Range Allows Worldwide Compatibility
  • Compact TO-220 Package Facilitates Easy Mounting
  • Built-in Protections Enhance System Reliability

Disadvantages

  • Requires External Components for Complete Circuit Implementation
  • Limited Output Power of up to 60W
  • Not Suitable for High-Frequency Applications

Working Principles

The TOP247YN is an offline switcher IC that utilizes primary-side regulation (PSR) control to provide efficient power management. It integrates a high-voltage power MOSFET, which eliminates the need for an external switch. The IC operates by controlling the duty cycle of the power MOSFET to regulate the output voltage. It employs frequency jittering to reduce electromagnetic interference (EMI) emissions and features auto-restart protection, cycle-by-cycle current limiting, and thermal shutdown for enhanced safety.

Detailed Application Field Plans

The TOP247YN is widely used in various applications requiring power management, such as:

  1. Power Adapters
  2. LED Lighting
  3. Audio/Video Equipment
  4. Industrial Controls
  5. Home Appliances

Alternative Models

  • TOP248YN
  • TOP249YN
  • TOP250YN
  • TOP251YN

These alternative models offer similar functionality and specifications, providing flexibility in design choices.

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技術ソリューションにおける TOP247YN 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 TOP247YN in technical solutions:

  1. Q: What is TOP247YN? A: TOP247YN is a high-performance offline switcher IC (integrated circuit) designed for use in various power supply applications.

  2. Q: What are the key features of TOP247YN? A: The key features of TOP247YN include wide input voltage range, high efficiency, built-in protection features, and flexible design options.

  3. Q: What are the typical applications of TOP247YN? A: TOP247YN is commonly used in applications such as AC/DC power supplies, LED lighting, industrial controls, and consumer electronics.

  4. Q: What is the maximum input voltage supported by TOP247YN? A: The maximum input voltage supported by TOP247YN is typically around 450V.

  5. Q: How does TOP247YN achieve high efficiency? A: TOP247YN achieves high efficiency through its advanced control algorithms, low-power standby mode, and integrated MOSFET technology.

  6. Q: Does TOP247YN have built-in protection features? A: Yes, TOP247YN has built-in protection features including overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can TOP247YN be used in both isolated and non-isolated power supply designs? A: Yes, TOP247YN can be used in both isolated and non-isolated power supply designs, providing flexibility in system design.

  8. Q: What are the advantages of using TOP247YN in LED lighting applications? A: TOP247YN offers precise constant current control, high power factor correction, and excellent line/load regulation, making it suitable for LED lighting applications.

  9. Q: Is TOP247YN compatible with other power management ICs? A: Yes, TOP247YN is compatible with various power management ICs and can be easily integrated into existing designs.

  10. Q: Where can I find more information about the application of TOP247YN in technical solutions? A: You can refer to the datasheet, application notes, and technical resources provided by the manufacturer for detailed information on using TOP247YN in technical solutions.

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