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TOP223P
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TOP223P

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High voltage integrated switcher, low standby power, high efficiency
  • Package: TO-220
  • Essence: Power Integrations' TOPSwitch family of integrated circuits
  • Packaging/Quantity: Tube packaging, 50 pieces per tube

Specifications

  • Input Voltage Range: 85 VAC to 265 VAC
  • Output Power: Up to 30 W
  • Frequency Range: 132 kHz to 150 kHz
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 88%
  • Protection Features: Over-temperature protection, over-voltage protection, over-current protection

Pin Configuration

The TOP223P has a 7-pin configuration:

  1. Drain (D)
  2. Source (S)
  3. Control (C)
  4. Feedback (F)
  5. Ground (G)
  6. Sense (S)
  7. Output (O)

Functional Features

  • Integrated high-voltage power MOSFET
  • Frequency jittering for reduced EMI
  • Auto-restart protection for fault conditions
  • Built-in soft-start for controlled startup
  • Cycle-by-cycle current limit

Advantages and Disadvantages

Advantages

  • High efficiency leading to energy savings
  • Low standby power consumption
  • Compact size and easy integration
  • Wide input voltage range for versatile applications
  • Comprehensive protection features ensure system reliability

Disadvantages

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

Working Principles

The TOP223P is based on Power Integrations' TOPSwitch technology, which combines a high-voltage power MOSFET, PWM control, and protection features into a single integrated circuit. It operates by converting the input AC voltage to high-frequency AC, which is then rectified and filtered to provide a regulated DC output.

The device uses frequency jittering to reduce electromagnetic interference (EMI) emissions. It also incorporates auto-restart protection, which detects fault conditions such as over-temperature, over-voltage, or over-current, and automatically restarts the switching cycle after a short delay.

Detailed Application Field Plans

The TOP223P is commonly used in various power management applications, including:

  1. Offline power supplies for consumer electronics
  2. LED lighting drivers
  3. Battery chargers
  4. Industrial power supplies
  5. Home appliances

Its compact size, high efficiency, and comprehensive protection features make it suitable for a wide range of applications where energy efficiency and reliability are crucial.

Alternative Models

Here are some alternative models that can be considered as replacements for the TOP223P:

  1. TOP224P
  2. TOP225P
  3. TOP226P
  4. TOP227P

These models offer similar functionality and characteristics, allowing designers to choose the most suitable option based on their specific requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TOP223P dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TOP223P in technical solutions:

  1. Q: What is TOP223P?
    A: TOP223P is a high-performance integrated circuit (IC) that is commonly used in power supply applications.

  2. Q: What is the maximum input voltage for TOP223P?
    A: The maximum input voltage for TOP223P is typically around 265V.

  3. Q: What is the output power range that TOP223P can handle?
    A: TOP223P can handle an output power range of up to 30W.

  4. Q: Can TOP223P be used in offline flyback power supplies?
    A: Yes, TOP223P is specifically designed for offline flyback power supply applications.

  5. Q: What is the typical operating frequency of TOP223P?
    A: The typical operating frequency of TOP223P is around 66 kHz.

  6. Q: Does TOP223P have built-in protection features?
    A: Yes, TOP223P has various built-in protection features such as overvoltage protection, thermal shutdown, and cycle-by-cycle current limit.

  7. Q: Can TOP223P operate in a wide temperature range?
    A: Yes, TOP223P can operate in a wide temperature range, typically from -40°C to 125°C.

  8. Q: Is TOP223P suitable for low-power applications?
    A: Yes, TOP223P is suitable for both low-power and medium-power applications.

  9. Q: Can TOP223P be used in battery charging circuits?
    A: Yes, TOP223P can be used in battery charging circuits, especially for charging lead-acid batteries.

  10. Q: Are there any recommended external components for using TOP223P?
    A: Yes, TOP223P requires a few external components such as a transformer, diode, and filter capacitors to form a complete power supply circuit.

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