TOP261YN

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-performance offline switcher, energy-efficient, compact design
Package: TO-220-7L
Essence: Power Integrations' TOPSwitch series
Packaging/Quantity: Tray, 50 pieces per tray

Specifications

Input Voltage Range: 85 VAC to 265 VAC
Output Power: Up to 45 W
Frequency Range: 132 kHz to 150 kHz
Operating Temperature Range: -40°C to +150°C
Efficiency: Up to 88%
Protection Features: Overload protection, overvoltage protection, thermal shutdown, auto-restart

Detailed Pin Configuration

Drain
Source
Feedback
Ground
Control
Sense
VCC

Functional Features

Integrated high-voltage power MOSFET
Advanced current limit and hysteretic thermal shutdown protection
Frequency jittering for reduced EMI emissions
Auto-restart protection for fault conditions
Built-in soft-start for controlled startup

Advantages

High efficiency leading to reduced power consumption
Compact design suitable for space-constrained applications
Wide input voltage range for universal compatibility
Comprehensive protection features ensure system reliability
Simplified circuit design due to integrated components

Disadvantages

Limited output power compared to higher-rated models
Higher cost compared to conventional switchers
Requires careful thermal management due to high operating temperature range

Working Principles

The TOP261YN is a high-performance offline switcher that utilizes a flyback topology to convert AC input voltage into regulated DC output voltage. It incorporates a high-voltage power MOSFET, which enables efficient power conversion. The integrated control circuitry ensures precise regulation and protection against fault conditions.

Detailed Application Field Plans

The TOP261YN is widely used in various applications, including:

Power supplies for consumer electronics
LED lighting systems
Industrial automation equipment
Telecommunication devices
Home appliances

Its compact size, high efficiency, and comprehensive protection features make it suitable for a wide range of power management applications.

Alternative Models

TOP250YN: Similar specifications, lower output power
TOP264YN: Higher output power, wider operating temperature range
TOP257YN: Lower cost, slightly lower efficiency

These alternative models provide flexibility in choosing the most suitable solution based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням TOP261YN у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of TOP261YN in technical solutions:

Q: What is TOP261YN? A: TOP261YN is a high-performance integrated circuit (IC) designed for offline power supplies, commonly used in various technical solutions.
Q: What are the key features of TOP261YN? A: TOP261YN features include high efficiency, low standby power consumption, built-in protection mechanisms, and wide input voltage range.
Q: What is the typical application of TOP261YN? A: TOP261YN is typically used in applications such as LED lighting, consumer electronics, industrial power supplies, and battery chargers.
Q: How does TOP261YN achieve high efficiency? A: TOP261YN utilizes advanced control techniques like frequency jittering and quasi-resonant operation to maximize power conversion efficiency.
Q: Does TOP261YN have built-in protection features? A: Yes, TOP261YN incorporates various protection mechanisms including overvoltage protection, overcurrent protection, and thermal shutdown.
Q: What is the maximum input voltage range supported by TOP261YN? A: The maximum input voltage range supported by TOP261YN is typically around 700V.
Q: Can TOP261YN be used in both AC and DC input applications? A: Yes, TOP261YN can be used in both AC and DC input applications, making it versatile for different power supply designs.
Q: Is TOP261YN suitable for high-power applications? A: Yes, TOP261YN can handle relatively high power levels, making it suitable for medium to high-power applications.
Q: Are there any specific design considerations when using TOP261YN? A: Yes, some design considerations include proper heat sinking, component selection, and layout optimization to ensure optimal performance.
Q: Where can I find more information about TOP261YN and its application notes? A: You can refer to the manufacturer's datasheet, application notes, and online resources for detailed information on TOP261YN and its various applications.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to consult the manufacturer's documentation for accurate and up-to-date information.