Power Integrations
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TOP266KG-TL
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TOP266KG-TL

Product Overview

Category

TOP266KG-TL belongs to the category of integrated circuits (ICs).

Use

It is commonly used in power supply applications.

Characteristics

  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Over-temperature protection
  • Overload protection

Package

TOP266KG-TL is available in a TO-220 package.

Essence

The essence of TOP266KG-TL lies in its ability to provide efficient and reliable power supply solutions.

Packaging/Quantity

TOP266KG-TL is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

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

Detailed Pin Configuration

TOP266KG-TL has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for voltage regulation
  4. COMP: Compensation pin for stability control
  5. CS: Current sense pin for current regulation
  6. DRAIN: High-voltage power switch output
  7. SOURCE: Source pin for the internal MOSFET

Functional Features

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

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Over-temperature and overload protection enhance reliability
  • Low standby power consumption reduces energy waste

Disadvantages

  • Limited output power (up to 45W)
  • Requires external components for complete power supply design
  • Not suitable for high-power applications

Working Principles

TOP266KG-TL operates on the principle of switching mode power supply (SMPS). It converts high-voltage AC input into regulated DC output by rapidly switching the internal MOSFET. This switching action allows for efficient power conversion and reduced power losses.

Detailed Application Field Plans

TOP266KG-TL finds applications in various fields, including:

  1. Consumer electronics: Power adapters, chargers, and LED lighting.
  2. Industrial equipment: Motor drives, control systems, and instrumentation.
  3. Telecommunications: Network devices, routers, and switches.
  4. Automotive: On-board chargers, electric vehicle power supplies.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TOP266KG-TL are:

  1. TOP258PN
  2. TNY278PN
  3. LNK364PN
  4. FAN7602B

These models offer similar functionality and can be used as replacements based on specific requirements.

In conclusion, TOP266KG-TL is a versatile integrated circuit used in power supply applications. Its high efficiency, wide input voltage range, and built-in protection features make it a reliable choice for various consumer, industrial, telecommunications, and automotive applications.

Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του TOP266KG-TL σε τεχνικές λύσεις

Sure! Here are 10 common questions and answers related to the application of TOP266KG-TL in technical solutions:

  1. Q: What is TOP266KG-TL? A: TOP266KG-TL is a high-performance integrated switcher IC (integrated circuit) designed for offline power supplies.

  2. Q: What are the typical applications of TOP266KG-TL? A: TOP266KG-TL is commonly used in various power supply applications, such as LED lighting, consumer electronics, industrial equipment, and telecommunication systems.

  3. Q: What is the input voltage range supported by TOP266KG-TL? A: The input voltage range of TOP266KG-TL is typically between 85VAC and 265VAC.

  4. Q: What is the output power range that TOP266KG-TL can handle? A: TOP266KG-TL can handle output power ranging from a few watts up to around 100 watts, depending on the specific design and application requirements.

  5. Q: Does TOP266KG-TL require an external MOSFET? A: No, TOP266KG-TL integrates a high-voltage power MOSFET internally, eliminating the need for an external MOSFET.

  6. Q: Can TOP266KG-TL operate in continuous or discontinuous conduction mode? A: TOP266KG-TL can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM), providing flexibility in different load conditions.

  7. Q: What are the key protection features offered by TOP266KG-TL? A: TOP266KG-TL includes various protection features like overvoltage protection (OVP), overcurrent protection (OCP), thermal shutdown, and undervoltage lockout (UVLO) to ensure safe and reliable operation.

  8. Q: Does TOP266KG-TL support frequency synchronization? A: Yes, TOP266KG-TL supports frequency synchronization, allowing multiple devices to operate in sync, reducing electromagnetic interference (EMI).

  9. Q: Can TOP266KG-TL be used in both flyback and buck-boost converter topologies? A: Yes, TOP266KG-TL is suitable for both flyback and buck-boost converter topologies, providing flexibility in different power supply designs.

  10. Q: Is there any evaluation board or reference design available for TOP266KG-TL? A: Yes, Power Integrations, the manufacturer of TOP266KG-TL, provides evaluation boards and reference designs that can help engineers quickly prototype and implement their power supply solutions using TOP266KG-TL.

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