Power Integrations
Bild kan vara representation.
Se specifikationer för produktinformation.
TOP244GN-TL
Visa detalj Datablad

TOP244GN-TL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: TO-220-7L
  • Essence: Switching Regulator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 45W
  • Frequency Range: 50Hz to 60Hz
  • Operating Temperature Range: -40°C to +150°C
  • Efficiency: Up to 88%
  • Standby Power: Less than 100mW

Detailed Pin Configuration

  1. VCC: Supply Voltage Input
  2. FB: Feedback Input
  3. COMP: Compensation Pin
  4. GND: Ground
  5. DRAIN: Power Switch Drain
  6. SOURCE: Power Switch Source
  7. CONTROL: Control Pin

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
  • Adjustable output voltage
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for universal compatibility
  • Low standby power reduces power consumption in idle mode
  • Compact TO-220-7L package enables easy integration into various applications
  • Built-in protection features enhance system reliability

Disadvantages

  • Requires external components for complete power management solution
  • Limited output power compared to higher-rated devices
  • Higher cost compared to non-switching regulators

Working Principles

TOP244GN-TL is a switching regulator IC that converts high-voltage AC input to low-voltage DC output. It utilizes a power MOSFET and control circuitry to regulate the output voltage efficiently. The integrated frequency jittering reduces electromagnetic interference (EMI), while the auto-restart protection ensures safe operation by detecting overvoltage and overcurrent conditions. The cycle-by-cycle current limit protects the system from excessive current flow. The adjustable output voltage and soft-start function provide flexibility and controlled startup.

Detailed Application Field Plans

  • Power supplies for consumer electronics
  • LED lighting systems
  • Industrial automation equipment
  • Telecommunication devices
  • Medical equipment
  • Automotive applications

Detailed and Complete Alternative Models

  • TOP243GN-TL
  • TOP245GN-TL
  • TOP246GN-TL
  • TOP247GN-TL
  • TOP248GN-TL

Note: These alternative models offer different specifications and may be suitable for specific application requirements.

Total word count: 314

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TOP244GN-TL i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TOP244GN-TL in technical solutions:

  1. Q: What is TOP244GN-TL? A: TOP244GN-TL is a highly integrated offline switcher IC (integrated circuit) designed for use in low-power applications.

  2. Q: What are the typical applications of TOP244GN-TL? A: TOP244GN-TL is commonly used in power supplies, adapters, chargers, and other low-power electronic devices.

  3. Q: What is the input voltage range supported by TOP244GN-TL? A: The input voltage range of TOP244GN-TL is typically between 85VAC and 265VAC.

  4. Q: What is the output power range that TOP244GN-TL can handle? A: TOP244GN-TL can handle output power ranging from a few watts up to around 100 watts, depending on the specific application and design.

  5. Q: Does TOP244GN-TL require an external MOSFET? A: No, TOP244GN-TL integrates a high-voltage power MOSFET internally, eliminating the need for an external MOSFET.

  6. Q: Can TOP244GN-TL operate in continuous or discontinuous mode? A: TOP244GN-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 of TOP244GN-TL? A: TOP244GN-TL includes various protection features such as overvoltage protection (OVP), overload protection (OLP), and thermal shutdown (TSD) to ensure safe operation.

  8. Q: Is TOP244GN-TL suitable for universal input voltage applications? A: Yes, TOP244GN-TL is designed to support a wide input voltage range, making it suitable for universal input voltage applications.

  9. Q: Can TOP244GN-TL be used in offline flyback converter designs? A: Yes, TOP244GN-TL is commonly used in offline flyback converter designs due to its high integration and efficiency.

  10. Q: Are there any reference designs available for TOP244GN-TL? A: Yes, Power Integrations, the manufacturer of TOP244GN-TL, provides various reference designs and application notes that can help in implementing the IC in different technical solutions.

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