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TOP222YN
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TOP222YN

Product Overview

  • Category: Integrated Circuit
  • Use: Power Supply Controller
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: TO-220
  • Essence: Monolithic Switching Regulator
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: Adjustable from 3.3V to 40V DC
  • Output Current: Up to 2.5A
  • Switching Frequency: 100kHz to 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VCC: Power Supply Input
  2. GND: Ground
  3. FB: Feedback Pin for Output Voltage Regulation
  4. COMP: Compensation Pin for Loop Stability
  5. CS: Current Sense Pin for Overcurrent Protection
  6. DRAIN: Switching Transistor Drain
  7. SOURCE: Switching Transistor Source
  8. NC: No Connection

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in frequency jittering for reduced EMI
  • Cycle-by-cycle current limit protection
  • Auto-restart after fault shutdown
  • Soft-start for controlled inrush current
  • Overtemperature protection
  • Under-voltage lockout with hysteresis

Advantages and Disadvantages

Advantages

  • High efficiency, reducing power consumption
  • Low standby power, ideal for energy-saving applications
  • Wide input voltage range, suitable for various power sources
  • Compact TO-220 package for easy mounting
  • Robust protection features for reliable operation

Disadvantages

  • Limited output current compared to higher-rated devices
  • Requires external components for complete power supply design
  • Not suitable for high-power applications

Working Principles

The TOP222YN is a monolithic switching regulator that utilizes a high-voltage power MOSFET to convert the input voltage into a regulated output voltage. It operates in a flyback topology, where energy is stored in an inductor during the switch-on time and transferred to the output during the switch-off time. The integrated control circuitry ensures efficient power transfer and provides various protection features.

Detailed Application Field Plans

The TOP222YN is commonly used in low-power offline power supplies, such as battery chargers, LED drivers, and small appliances. Its wide input voltage range makes it suitable for both domestic and international applications. The adjustable output voltage allows flexibility in meeting different system requirements. With its compact TO-220 package, it can be easily integrated into space-constrained designs.

Detailed and Complete Alternative Models

  • TOP223YN: Similar specifications with higher output current capability
  • TOP224YN: Similar specifications with additional features like frequency synchronization
  • TOP221YN: Similar specifications with lower output current capability

These alternative models provide options based on specific application needs, allowing designers to choose the most suitable device for their requirements.

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10 domande e risposte comuni relative all'applicazione di TOP222YN nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TOP222YN in technical solutions:

  1. Q: What is TOP222YN? A: TOP222YN is a high-performance integrated circuit (IC) that is commonly used in power supply applications.

  2. Q: What are the main features of TOP222YN? A: The main features of TOP222YN 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 TOP222YN? A: The typical input voltage range for TOP222YN is from 85VAC to 265VAC.

  4. Q: Can TOP222YN be used in offline flyback power supplies? A: Yes, TOP222YN is specifically designed for offline flyback power supply applications.

  5. Q: What is the maximum output power that TOP222YN can handle? A: TOP222YN can handle output powers up to 22W, depending on the specific application and design considerations.

  6. Q: Does TOP222YN have any built-in protection features? A: Yes, TOP222YN has built-in features such as overvoltage protection (OVP), overload protection (OLP), and thermal shutdown protection.

  7. Q: Can TOP222YN operate in continuous or discontinuous conduction mode? A: TOP222YN can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM), depending on the specific application requirements.

  8. Q: Is TOP222YN suitable for low-power applications? A: Yes, TOP222YN is suitable for a wide range of power levels, including low-power applications.

  9. Q: Are there any recommended external components to be used with TOP222YN? A: Yes, the datasheet of TOP222YN provides a list of recommended external components for optimal performance and reliability.

  10. Q: Where can I find more information about the application of TOP222YN in technical solutions? A: You can refer to the datasheet, application notes, or online resources provided by the manufacturer of TOP222YN for more detailed information on its application in technical solutions.

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