Power Integrations
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TOP260EG
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TOP260EG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: TO-220-7C
  • Essence: Energy-Efficient Off-Line Switcher
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage: 85 VAC to 265 VAC
  • Output Power: Up to 60 W
  • Switching Frequency: 132 kHz
  • Operating Temperature: -40°C to +150°C
  • Protection Features: Overload Protection, Overvoltage Protection, Overtemperature Protection

Detailed Pin Configuration

  1. Drain
  2. Source
  3. Feedback
  4. Ground
  5. Output
  6. Bias
  7. Control

Functional Features

  • Primary-Side Regulation (PSR): Eliminates the need for an optocoupler and secondary-side feedback circuitry.
  • Frequency Jittering: Reduces EMI emissions and improves system reliability.
  • Auto-Restart Protection: Ensures continuous operation by automatically restarting after a fault condition is removed.
  • Cycle-by-Cycle Current Limiting: Provides accurate current limiting for improved system protection.

Advantages

  • High efficiency, reducing power consumption and heat dissipation.
  • Low standby power, enabling energy-saving operation during idle periods.
  • Wide input voltage range, allowing operation in various power supply systems.
  • Compact TO-220-7C package, facilitating easy integration into different applications.
  • Comprehensive protection features, ensuring reliable and safe operation.

Disadvantages

  • Relatively high cost compared to traditional linear regulators.
  • Requires careful consideration of external components for optimal performance.
  • Limited output power capability compared to higher-rated devices.

Working Principles

The TOP260EG is a flyback switcher IC that operates in the discontinuous conduction mode (DCM). It utilizes primary-side regulation (PSR) to achieve accurate output voltage regulation without the need for an optocoupler or secondary-side feedback circuitry. The device incorporates a frequency jittering feature to minimize electromagnetic interference (EMI) emissions and improve system reliability. It also includes auto-restart protection and cycle-by-cycle current limiting for enhanced system safety.

Detailed Application Field Plans

The TOP260EG is widely used in various power management applications, including:

  1. AC-DC Power Supplies
  2. LED Lighting Systems
  3. Home Appliances
  4. Industrial Equipment
  5. Consumer Electronics

Detailed and Complete Alternative Models

  1. TOP261EG
  2. TOP262EG
  3. TOP264EG
  4. TOP265EG
  5. TOP266EG

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

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням TOP260EG у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of TOP260EG in technical solutions:

  1. Q: What is TOP260EG? A: TOP260EG is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the typical applications of TOP260EG? A: TOP260EG is commonly used in various low-power applications such as power supplies, LED lighting, battery chargers, and home appliances.

  3. Q: What is the maximum output power that TOP260EG can handle? A: TOP260EG can handle a maximum output power of up to 60 watts.

  4. Q: Does TOP260EG require an external MOSFET? A: No, TOP260EG integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET.

  5. Q: Can TOP260EG operate in continuous or discontinuous conduction mode? A: TOP260EG can operate in both continuous and discontinuous conduction modes, providing flexibility in different load conditions.

  6. Q: Is TOP260EG suitable for universal input voltage applications? A: Yes, TOP260EG supports a wide input voltage range from 85VAC to 265VAC, making it suitable for universal input voltage applications.

  7. Q: Does TOP260EG have built-in protection features? A: Yes, TOP260EG incorporates various protection features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  8. Q: Can TOP260EG be used in dimmable LED lighting applications? A: Yes, TOP260EG can be used in dimmable LED lighting applications by incorporating additional circuitry for dimming control.

  9. Q: What is the efficiency of TOP260EG? A: TOP260EG offers high efficiency, typically above 85%, which helps in reducing power losses and improving overall system performance.

  10. Q: Is TOP260EG compliant with safety standards? A: Yes, TOP260EG is designed to meet various safety standards such as UL, CE, and ENEC, ensuring reliable and safe operation in technical solutions.

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