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TOP223YN
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TOP223YN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low standby power, compact size
  • Package: TO-220
  • Essence: Switching Regulator Controller
  • Packaging/Quantity: 50 pieces per tube

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Power: Up to 25W
  • Frequency Range: 50Hz to 400Hz
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 90%
  • Standby Power Consumption: Less than 100mW

Pin Configuration

The TOP223YN IC has the following pin configuration:

  1. Drain (D)
  2. Source (S)
  3. Feedback (FB)
  4. Control (C)
  5. Ground (GND)

Functional Features

  • Primary-side control for simplified design
  • Built-in frequency jittering for reduced EMI
  • Auto-restart protection for enhanced reliability
  • Over-temperature and over-voltage protection
  • Adjustable output voltage and current limit

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Compact size allows for space-saving designs - Wide input voltage range for versatile applications - Comprehensive protection features ensure system reliability

Disadvantages: - Limited output power compared to higher-rated models - Requires external components for complete power supply implementation

Working Principles

The TOP223YN is a primary-side regulated switch-mode power supply controller. It operates by controlling the duty cycle of an internal power MOSFET to regulate the output voltage. The feedback pin senses the output voltage and adjusts the duty cycle accordingly. The control pin provides various functions such as soft-start, frequency setting, and current limit adjustment.

Detailed Application Field Plans

The TOP223YN is commonly used in various applications, including:

  1. AC-DC power supplies for consumer electronics
  2. LED lighting systems
  3. Industrial control systems
  4. Battery chargers
  5. Home appliances

Detailed and Complete Alternative Models

  1. TOP224YN: Similar specifications and pin configuration, but with higher output power capability.
  2. TOP221GN: Lower output power capability, but with additional features such as synchronization and frequency dithering.
  3. TOP222YN: Similar specifications and pin configuration, but with lower standby power consumption.

These alternative models provide options based on specific application requirements while maintaining compatibility with the TOP223YN's design structure.

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技術ソリューションにおける TOP223YN 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 TOP223YN in technical solutions:

  1. Q: What is TOP223YN? A: TOP223YN is a high-performance integrated circuit (IC) that is commonly used in power supply applications.

  2. Q: What are the main features of TOP223YN? A: The main features of TOP223YN include high efficiency, low standby power consumption, built-in protection features, and wide input voltage range.

  3. Q: What is the typical input voltage range for TOP223YN? A: The typical input voltage range for TOP223YN is between 85V and 265V AC.

  4. Q: What is the maximum output power that TOP223YN can handle? A: TOP223YN can handle a maximum output power of up to 25W.

  5. Q: Can TOP223YN be used in offline flyback power supplies? A: Yes, TOP223YN is specifically designed for offline flyback power supply applications.

  6. Q: Does TOP223YN have any built-in protection features? A: Yes, TOP223YN has built-in features such as overvoltage protection, overload protection, and thermal shutdown protection.

  7. Q: What is the typical efficiency of TOP223YN? A: The typical efficiency of TOP223YN is around 85% to 90%.

  8. Q: Can TOP223YN operate in continuous or discontinuous mode? A: TOP223YN can operate in both continuous and discontinuous mode depending on the load conditions.

  9. Q: Is TOP223YN suitable for low-power applications? A: Yes, TOP223YN is suitable for low-power applications due to its low standby power consumption.

  10. Q: Are there any recommended external components to be used with TOP223YN? A: Yes, TOP223YN requires a few external components such as a transformer, diode, capacitor, and resistor for proper operation.

Please note that these questions and answers are general in nature and may vary depending on specific application requirements.