Power Integrations
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TOP246PN
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TOP246PN

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: DIP-7 (Dual In-line Package)
  • Essence: Offline Switcher
  • Packaging/Quantity: Tray, 50 pieces per tray

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 +150°C
  • Output Voltage: Adjustable, up to 30V
  • Efficiency: Up to 88%
  • Protection Features: Overload Protection, Overvoltage Protection, Overtemperature Protection

Detailed Pin Configuration

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

Functional Features

  • Integrated 700V MOSFET
  • Built-in Frequency Jittering for EMI Reduction
  • Auto-restart Protection for Fault Conditions
  • Cycle-by-Cycle Current Limiting
  • Line Undervoltage Lockout with Hysteresis
  • Accurate Programmable Overload Protection
  • Soft Start and Safe Shutdown

Advantages

  • High Efficiency Design
  • Low Standby Power Consumption
  • Wide Input Voltage Range
  • Compact Size and Easy to Use
  • Comprehensive Protection Features
  • Cost-effective Solution for Offline Power Supplies

Disadvantages

  • Requires External Components for Operation
  • Limited Output Power Capability
  • Not Suitable for High Voltage Applications

Working Principles

The TOP246PN is an offline switcher IC that utilizes a flyback topology to convert high voltage AC input into low voltage DC output. It integrates a 700V MOSFET, control circuitry, and protection features into a single package. The IC operates by switching the MOSFET on and off at a high frequency, which allows energy to be transferred from the primary side to the secondary side of the transformer. This enables efficient power conversion with minimal losses.

Detailed Application Field Plans

The TOP246PN is commonly used in various applications such as:

  1. AC-DC Power Supplies
  2. LED Lighting
  3. Home Appliances
  4. Industrial Equipment
  5. Consumer Electronics

Detailed and Complete Alternative Models

  1. TOP245PN: Similar specifications and features, but lower output power capability.
  2. TOP247PN: Higher output power capability, suitable for applications requiring more power.
  3. TOP248PN: Integrated with additional protection features, ideal for demanding environments.

Note: These alternative models are from the same TOPSwitch family and offer similar functionality with slight variations in specifications and capabilities.

In conclusion, the TOP246PN is a versatile offline switcher IC that provides high efficiency power management solutions for a wide range of applications. Its compact size, comprehensive protection features, and cost-effectiveness make it a popular choice among designers and engineers.

10 pirs û bersivên hevpar ên têkildarî sepana TOP246PN di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of TOP246PN in technical solutions:

  1. Q: What is TOP246PN?
    A: TOP246PN is a highly integrated offline switcher IC (integrated circuit) that is commonly used in power supply applications.

  2. Q: What is the maximum input voltage for TOP246PN?
    A: The maximum input voltage for TOP246PN is typically around 265V AC.

  3. Q: What is the maximum output power that TOP246PN can handle?
    A: TOP246PN can handle output powers up to approximately 100W, depending on the specific application and design considerations.

  4. Q: Can TOP246PN be used in both flyback and forward converter topologies?
    A: Yes, TOP246PN is versatile and can be used in both flyback and forward converter topologies, making it suitable for a wide range of applications.

  5. Q: What are the typical operating frequencies for TOP246PN?
    A: The typical operating frequencies for TOP246PN range from 50kHz to 500kHz, depending on the specific design requirements.

  6. Q: Does TOP246PN have built-in protection features?
    A: Yes, TOP246PN incorporates various built-in protection features such as overvoltage protection, overload protection, and thermal shutdown.

  7. Q: Can TOP246PN operate in a wide temperature range?
    A: Yes, TOP246PN has a wide operating temperature range, typically from -40°C to 150°C, allowing it to function reliably in various environments.

  8. Q: Is TOP246PN compatible with both low and high voltage applications?
    A: Yes, TOP246PN is designed to work with a wide range of input voltages, making it suitable for both low and high voltage applications.

  9. Q: Can TOP246PN be used in power factor correction (PFC) circuits?
    A: Yes, TOP246PN can be used in power factor correction circuits to improve the power quality and efficiency of the overall system.

  10. Q: Are there any application notes or reference designs available for TOP246PN?
    A: Yes, the manufacturer of TOP246PN provides application notes and reference designs that can help engineers in implementing the IC effectively in their technical solutions.

Please note that the answers provided here are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.