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TOP253MG
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TOP253MG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
  • Package: 7-Lead TO-220
  • Essence: Offline Switcher
  • Packaging/Quantity: Tube/50 pieces

Specifications

  • Input Voltage Range: 85 VAC to 265 VAC
  • Output Power: Up to 30 W
  • Switching Frequency: 132 kHz
  • Operating Temperature Range: -40°C to +125°C
  • Standby Power: Less than 100 mW at 230 VAC input

Detailed Pin Configuration

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

Functional Features

  • Integrated 700 V MOSFET
  • Auto-restart Protection
  • Frequency Jittering for EMI Reduction
  • Cycle-by-Cycle Current Limiting
  • Overtemperature Protection
  • Under Voltage Lockout with Hysteresis
  • Output Overvoltage Protection
  • Line Undervoltage Compensation
  • Adjustable Output Voltage

Advantages and Disadvantages

Advantages

  • High Efficiency
  • Low Standby Power Consumption
  • Wide Input Voltage Range
  • Compact TO-220 Package
  • Comprehensive Protection Features

Disadvantages

  • Limited Output Power (Up to 30 W)
  • Requires External Components for Complete Circuit Implementation

Working Principles

The TOP253MG is an offline switcher IC designed for power management applications. It operates by converting the high voltage AC input into a regulated DC output. The integrated MOSFET allows for efficient switching, reducing power losses. The device incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The TOP253MG is commonly used in various power supply applications, including:

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

Detailed and Complete Alternative Models

  1. TOP250YN
  2. TOP254EN
  3. TOP256EN
  4. TOP257EN
  5. TOP258EN

These alternative models offer similar functionality and can be used as substitutes for the TOP253MG in different applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von TOP253MG in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of TOP253MG in technical solutions:

  1. Q: What is TOP253MG? A: TOP253MG is a high-performance integrated offline switcher IC designed for power supply applications.

  2. Q: What are the key features of TOP253MG? A: The key features of TOP253MG include high efficiency, low standby power, wide input voltage range, and built-in protection features.

  3. Q: What are the typical applications of TOP253MG? A: TOP253MG is commonly used in applications such as AC-DC power supplies, LED lighting, industrial controls, and consumer electronics.

  4. Q: What is the maximum output power that TOP253MG can handle? A: TOP253MG can handle output power up to 94W, depending on the specific design and operating conditions.

  5. Q: Does TOP253MG support universal input voltage? A: Yes, TOP253MG supports a wide input voltage range from 85VAC to 265VAC, making it suitable for global applications.

  6. Q: What is the efficiency of TOP253MG? A: TOP253MG offers high efficiency, typically above 85%, which helps reduce power losses and improve overall system performance.

  7. Q: Does TOP253MG have any built-in protection features? A: Yes, TOP253MG incorporates various protection features like overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  8. Q: Can TOP253MG be used in dimmable LED lighting applications? A: Yes, TOP253MG can be used in dimmable LED lighting applications by integrating external components for dimming control.

  9. Q: Is TOP253MG suitable for high-reliability applications? A: Yes, TOP253MG is designed for high reliability and offers features like auto-restart after a fault condition, ensuring continuous operation.

  10. Q: Are there any reference designs or application notes available for TOP253MG? A: Yes, the manufacturer provides reference designs and application notes that can help in implementing TOP253MG in various technical solutions.

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