Power Integrations
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TOP262LN
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TOP262LN

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 30W
  • Frequency Range: 50Hz to 60Hz
  • Operating Temperature Range: -40°C to +150°C
  • Maximum Junction Temperature: +150°C
  • Maximum Duty Cycle: 78%
  • Maximum Output Voltage: 700V
  • Maximum Output Current: 0.5A

Detailed Pin Configuration

  1. Drain (D)
  2. Source (S)
  3. Feedback (FB)
  4. Ground (GND)
  5. VCC
  6. Control (CTL)
  7. Sense (SENSE)

Functional Features

  • Integrated 700V MOSFET
  • Frequency Modulation for Improved EMI Performance
  • Auto-Restart Protection for Overload and Open Loop Faults
  • Built-in Soft Start for Reduced Stress on Components
  • Constant Power Limiting for Enhanced System Reliability

Advantages

  • High Efficiency Conversion
  • Low Standby Power Consumption
  • Wide Input Voltage Range for Universal Applications
  • Compact TO-220 Package for Easy Mounting
  • Robust Protection Features for Increased Safety

Disadvantages

  • Limited Maximum Output Current (0.5A)
  • Relatively High Operating Temperature Range (-40°C to +150°C)
  • Requires External Components for Complete Circuit Implementation

Working Principles

The TOP262LN is an offline switcher IC that operates in a flyback topology. It integrates a 700V MOSFET, which allows it to handle high input voltages. The IC uses frequency modulation to regulate the output voltage and improve electromagnetic interference (EMI) performance. It also incorporates auto-restart protection, soft start, and constant power limiting features to ensure reliable operation and protect against faults.

Detailed Application Field Plans

The TOP262LN is commonly used in various power management applications, including:

  1. AC-DC Adapters
  2. LED Lighting
  3. Set-Top Boxes
  4. Audio Amplifiers
  5. Industrial Power Supplies

Detailed and Complete Alternative Models

  1. TOP261LN: Similar specifications and features, but with a lower maximum output voltage of 600V.
  2. TOP264LN: Higher maximum output current of 1A, suitable for applications requiring higher power levels.
  3. TOP250YN: Integrated 500V MOSFET, suitable for lower voltage applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TOP262LN v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TOP262LN in technical solutions:

  1. Q: What is TOP262LN? A: TOP262LN is a highly integrated offline switcher IC (integrated circuit) designed for low power applications.

  2. Q: What are the typical applications of TOP262LN? A: TOP262LN is commonly used in applications such as LED lighting, auxiliary power supplies, and battery chargers.

  3. Q: What is the maximum output power that TOP262LN can handle? A: TOP262LN can handle output powers up to 30 watts, making it suitable for various low-power applications.

  4. Q: Does TOP262LN require an external MOSFET? A: No, TOP262LN integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET.

  5. Q: Can TOP262LN operate in continuous or discontinuous conduction mode? A: TOP262LN can operate in both continuous and discontinuous conduction modes, providing flexibility in different applications.

  6. Q: What is the input voltage range supported by TOP262LN? A: TOP262LN supports a wide input voltage range from 85VAC to 265VAC, making it suitable for universal mains applications.

  7. Q: Does TOP262LN have built-in protection features? A: Yes, TOP262LN incorporates various protection features like overvoltage protection, overload protection, and thermal shutdown.

  8. Q: Can TOP262LN be used in dimmable LED lighting applications? A: Yes, TOP262LN can be used in dimmable LED lighting applications with the addition of external components for dimming control.

  9. Q: Is TOP262LN compatible with both flyback and buck-boost converter topologies? A: Yes, TOP262LN is compatible with both flyback and buck-boost converter topologies, providing design flexibility.

  10. Q: What are the advantages of using TOP262LN in technical solutions? A: The advantages of using TOP262LN include high integration, compact size, high efficiency, and reliable performance in low-power applications.

Please note that these answers are general and may vary depending on specific application requirements and design considerations.