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TOP243R-TL
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TOP243R-TL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low standby power, compact size
  • Package: TO-220-7C
  • Essence: Switching Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 45W
  • Switching Frequency: 132 kHz to 150 kHz
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 88%
  • Standby Power: Less than 100mW

Detailed Pin Configuration

  1. Drain
  2. Source
  3. Feedback
  4. Control
  5. Ground
  6. VCC
  7. Sense

Functional Features

  • Integrated high-voltage power MOSFET
  • Built-in frequency jittering for reduced EMI
  • Auto-restart protection for overvoltage and overcurrent conditions
  • Cycle-by-cycle current limit
  • Line undervoltage lockout with hysteresis
  • Thermal shutdown protection

Advantages

  • High efficiency leads to energy savings
  • Low standby power reduces power consumption in idle mode
  • Compact size allows for space-saving designs
  • Wide input voltage range enables global compatibility
  • Built-in protection features enhance system reliability

Disadvantages

  • Requires external components for complete circuit implementation
  • Limited output power compared to higher-rated models
  • Higher cost compared to non-switching regulators

Working Principles

The TOP243R-TL is a switching regulator IC that converts high-voltage AC input into low-voltage DC output. It utilizes a high-voltage power MOSFET to switch the input voltage at a high frequency, which is then rectified and filtered to provide a stable DC output. The integrated control circuitry ensures efficient power conversion and provides various protection features.

Detailed Application Field Plans

The TOP243R-TL is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Industrial equipment
  4. Telecommunications devices
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. TOP244R-TL: Similar specifications and features, but with lower output power capability.
  2. TOP245R-TL: Similar specifications and features, but with higher output power capability.
  3. TOP246R-TL: Similar specifications and features, but with additional built-in protection features.

Note: This list is not exhaustive and other alternative models may exist.

In conclusion, the TOP243R-TL is a high-efficiency switching regulator IC designed for power management applications. Its compact size, wide input voltage range, and built-in protection features make it suitable for various industries. However, it requires external components for complete circuit implementation and has limited output power compared to higher-rated models.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TOP243R-TL :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TOP243R-TL in technical solutions:

  1. Q: What is the TOP243R-TL? A: The TOP243R-TL is a highly integrated offline switcher IC designed for low power applications.

  2. Q: What are the typical applications of TOP243R-TL? A: The TOP243R-TL is commonly used in applications such as auxiliary power supplies, battery chargers, and LED lighting.

  3. Q: What is the maximum output power that can be achieved with TOP243R-TL? A: The maximum output power depends on various factors, but typically it can handle up to 30 watts.

  4. Q: Can TOP243R-TL operate with both AC and DC input voltages? A: No, the TOP243R-TL is specifically designed to work with AC input voltages ranging from 85VAC to 265VAC.

  5. Q: Does TOP243R-TL require an external MOSFET for operation? A: No, the TOP243R-TL integrates a high-voltage power MOSFET internally, eliminating the need for an external one.

  6. Q: What are the key features of TOP243R-TL? A: Some key features include built-in frequency jittering, cycle-by-cycle current limit, and thermal shutdown protection.

  7. Q: Can TOP243R-TL provide multiple outputs? A: Yes, TOP243R-TL can be configured to provide multiple outputs using external components like transformers and rectifiers.

  8. Q: Is TOP243R-TL suitable for high voltage applications? A: Yes, TOP243R-TL is designed to operate at high input voltages, making it suitable for high voltage applications.

  9. Q: What are the typical efficiency levels of TOP243R-TL? A: The efficiency of TOP243R-TL can vary depending on the application, but it typically achieves efficiencies above 80%.

  10. Q: Are there any specific design considerations when using TOP243R-TL? A: Yes, some design considerations include proper heat sinking, component selection, and layout to ensure reliable operation.

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