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TNY279PNAU

TNY279PNAU - Product Overview

Basic Information

  • Product Name: TNY279PNAU
  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics:
    • High efficiency
    • Low standby power consumption
    • Compact size
  • Package: DIP-7 (Dual In-line Package)
  • Essence: Power supply controller
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 12W
  • Operating Frequency: 132 kHz
  • Maximum Duty Cycle: 75%
  • Protection Features:
    • Over-temperature protection
    • Output over-voltage protection
    • Output short-circuit protection

Detailed Pin Configuration

  1. VDD - Power Supply
  2. BP/MULT - Boost Pin / Frequency Multiplier
  3. FB - Feedback Pin
  4. GND - Ground
  5. DRAIN - Switching Transistor Drain
  6. SOURCE - Switching Transistor Source
  7. SYNC - Synchronization Input

Functional Features

  • Primary-Side Control: Eliminates the need for an optocoupler and secondary-side feedback components.
  • Auto-restart Protection: Ensures continuous operation by automatically restarting the power supply in case of a fault condition.
  • Frequency Jittering: Reduces EMI emissions, enabling compliance with international standards.
  • EcoSmart™ Technology: Maximizes energy efficiency and minimizes standby power consumption.

Advantages

  • High efficiency leads to reduced power dissipation and lower operating temperatures.
  • Simplified design due to primary-side control and integrated protection features.
  • Compact size allows for space-saving designs in various applications.
  • EcoSmart™ Technology ensures compliance with energy efficiency regulations.

Disadvantages

  • Limited output power (up to 12W) may not be suitable for high-power applications.
  • Lack of adjustable frequency limits customization options in certain scenarios.

Working Principles

The TNY279PNAU is a primary-side regulated flyback controller. It operates by controlling the switching transistor's duty cycle based on the feedback received from the secondary side. This control mechanism allows for efficient power transfer and regulation.

Detailed Application Field Plans

The TNY279PNAU is widely used in various low-power applications, including but not limited to:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Home appliances
  4. Industrial controls
  5. IoT devices

Detailed and Complete Alternative Models

  1. TNY278PNAU - Similar specifications and features, lower output power (up to 8W).
  2. TNY280PNAU - Similar specifications and features, higher output power (up to 15W).
  3. TNY277PNAU - Similar specifications and features, lower cost option.

Note: The above alternative models are suggested based on similar characteristics and application compatibility. It is recommended to refer to the manufacturer's datasheets for detailed specifications and suitability for specific applications.

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技術ソリューションにおける TNY279PNAU の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TNY279PNAU in technical solutions:

  1. Q: What is TNY279PNAU? A: TNY279PNAU is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the key features of TNY279PNAU? A: The key features of TNY279PNAU include high efficiency, low standby power consumption, built-in safety features, and compact size.

  3. Q: What are the typical applications of TNY279PNAU? A: TNY279PNAU is commonly used in applications such as power adapters, chargers, LED lighting, IoT devices, and other low-power electronics.

  4. Q: What is the input voltage range supported by TNY279PNAU? A: TNY279PNAU supports an input voltage range of 85VAC to 265VAC, making it suitable for worldwide use.

  5. Q: What is the output power range that TNY279PNAU can handle? A: TNY279PNAU can handle an output power range of up to 15W, depending on the specific application and design considerations.

  6. Q: Does TNY279PNAU have built-in protection features? A: Yes, TNY279PNAU incorporates various protection features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  7. Q: Can TNY279PNAU operate in a wide temperature range? A: Yes, TNY279PNAU has a wide operating temperature range of -40°C to +150°C, allowing it to be used in various environments.

  8. Q: Is TNY279PNAU compliant with safety standards? A: Yes, TNY279PNAU is designed to meet various safety standards such as UL, CE, and ENEC, ensuring reliable and safe operation.

  9. Q: Does TNY279PNAU require external components for operation? A: Yes, TNY279PNAU requires a few external components like resistors, capacitors, and an inductor to form a complete power supply circuit.

  10. Q: Are there any reference designs or application notes available for TNY279PNAU? A: Yes, the manufacturer provides reference designs and application notes that can help engineers in implementing TNY279PNAU in their designs efficiently.

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