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TOP224PN
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TOP224PN

Product Overview

Category: Power Management IC
Use: Offline Switcher
Characteristics: High efficiency, low standby power, integrated protection features
Package: DIP-8
Essence: Power integration
Packaging/Quantity: Tube/50pcs

Specifications

  • Input Voltage: 85VAC to 265VAC
  • Output Power: Up to 10W
  • Frequency Range: 50kHz to 132kHz
  • Operating Temperature: -40°C to 150°C

Detailed Pin Configuration

  1. BP/MULT: Boost pin and multiplier input for the internal high voltage current source.
  2. FB: Feedback pin for the error amplifier.
  3. GND: Ground connection.
  4. D: Drain connection for the internal MOSFET switch.
  5. S: Source connection for the internal MOSFET switch.
  6. VCC: Supply voltage connection.
  7. NC: No connect.
  8. RT/CLK: Oscillator timing resistor connection.

Functional Features

  • Integrated 700V MOSFET
  • Auto-restart for short-circuit and open-loop protection
  • Frequency jittering reduces EMI
  • Built-in soft-start function

Advantages and Disadvantages

Advantages: - High level of integration - Low standby power consumption - Comprehensive protection features

Disadvantages: - Limited output power compared to higher-end models - Requires careful PCB layout for optimal performance

Working Principles

The TOP224PN is an offline switcher IC that integrates a 700V power MOSFET, high voltage switched current source, frequency jittering, and other control functions. It operates by regulating the output voltage through feedback control, while providing comprehensive protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The TOP224PN is suitable for various applications including: - AC/DC power supplies - LED lighting drivers - Auxiliary power supplies in appliances - Industrial controls

Detailed and Complete Alternative Models

  • TOP223YN
  • TOP225YN
  • TOP226YN

In conclusion, the TOP224PN is a versatile offline switcher IC with integrated features that make it suitable for a wide range of power management applications. Its high efficiency, integrated protection features, and compact package make it a popular choice for designers seeking reliable and efficient power solutions.

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10个与TOP224PN在技术解决方案中的应用相关的常见问题及解答

Sure, here are 10 common questions and answers related to the application of TOP224PN:

  1. What is TOP224PN?

    • TOP224PN is a high-voltage integrated circuit (IC) used in offline power supplies.

  2. What are the typical applications of TOP224PN?

    • It is commonly used in applications such as LED lighting, home appliances, industrial controls, and auxiliary power supplies.

  3. What is the input voltage range for TOP224PN?

    • The input voltage range for TOP224PN is typically between 85V and 265V AC.

  4. What is the maximum output power that can be achieved with TOP224PN?

    • The maximum output power depends on the specific application and design, but it can typically handle power levels up to 30W.

  5. What are the key features of TOP224PN?

    • Some key features include integrated high-voltage power MOSFET, frequency jittering for low EMI, and auto-restart for short-circuit protection.

  6. How do I design a power supply using TOP224PN?

    • Designing a power supply with TOP224PN involves following the datasheet guidelines for component selection, layout considerations, and thermal management.

  7. What are the typical efficiency levels achievable with TOP224PN?

    • Depending on the application and design, typical efficiency levels can range from 80% to 90%.

  8. What are the important safety considerations when using TOP224PN?

    • Safety considerations include proper isolation, grounding, and compliance with relevant safety standards such as UL and CE.

  9. Can TOP224PN be used in dimmable LED lighting applications?

    • Yes, TOP224PN can be used in dimmable LED lighting applications with appropriate circuit design and dimming control.

  10. Are there any common failure modes associated with TOP224PN?

    • Common failure modes include overvoltage, overcurrent, and thermal stress, which can be mitigated through proper design and protection circuitry.

I hope these questions and answers provide a good overview of the application of TOP224PN in technical solutions. Let me know if you need further information!