Power Integrations
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TNY278PN
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TNY278PN

Product Overview

Category

TNY278PN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • TNY278PN is a highly efficient and compact device.
  • It offers excellent performance in terms of power conversion.
  • The IC is designed to provide reliable and stable power supply solutions.

Package

TNY278PN is available in a small outline package (SOP) format.

Essence

The essence of TNY278PN lies in its ability to efficiently regulate and convert power, ensuring optimal performance and reliability.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 85V - 265V AC
  • Output Power: Up to 10W
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Greater than 80%
  • Frequency Range: 132 kHz - 150 kHz
  • Standby Power Consumption: Less than 50 mW

Detailed Pin Configuration

  1. VDD: Power supply input
  2. Drain: High-voltage power MOSFET drain connection
  3. Source: High-voltage power MOSFET source connection
  4. FB: Feedback pin for output voltage regulation
  5. GND: Ground reference
  6. BP/M: Brownout protection input or frequency modulation input
  7. DMAX/SYNC: Maximum duty cycle control or synchronization input
  8. EN/UVLO: Enable input or undervoltage lockout input

Functional Features

  • Integrated high-voltage power MOSFET
  • Advanced primary-side control technology
  • Auto-restart protection feature for enhanced safety
  • Built-in brownout protection
  • Frequency modulation for improved efficiency
  • Accurate output voltage regulation

Advantages and Disadvantages

Advantages

  • Compact size and high integration
  • Simplified circuit design
  • Cost-effective solution
  • High efficiency and reliability
  • Enhanced safety features

Disadvantages

  • Limited power output compared to some alternative models
  • Requires careful consideration of thermal management due to small package size

Working Principles

TNY278PN utilizes primary-side control technology, which enables it to regulate the output voltage without requiring a secondary-side feedback circuit. This approach simplifies the overall circuit design and reduces component count. The IC operates by modulating the duty cycle of the internal power MOSFET based on the feedback received from the FB pin. By continuously adjusting the duty cycle, it maintains a stable output voltage.

Detailed Application Field Plans

TNY278PN finds applications in various fields, including but not limited to: - Power adapters - LED lighting systems - Home appliances - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. TNY277PN: Similar to TNY278PN, but with lower power output capability.
  2. TNY279PN: Similar to TNY278PN, but with higher power output capability.
  3. TNY280PN: Advanced version with additional features such as built-in protection mechanisms and wider input voltage range.

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

In conclusion, TNY278PN is a highly efficient and compact integrated circuit designed for power management applications. Its primary-side control technology, accurate voltage regulation, and built-in safety features make it an excellent choice for various industries. While it has certain limitations in terms of power output and thermal management, there are alternative models available to cater to different needs.

Перечислите 10 распространенных вопросов и ответов, связанных с применением TNY278PN в технических решениях.

Sure! Here are 10 common questions and answers related to the application of TNY278PN in technical solutions:

  1. Q: What is TNY278PN? A: TNY278PN is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the key features of TNY278PN? A: The key features of TNY278PN include high efficiency, low standby power consumption, built-in protection features, and wide input voltage range.

  3. Q: What are the typical applications of TNY278PN? A: TNY278PN is commonly used in various low-power applications such as power adapters, chargers, LED lighting, and home appliances.

  4. Q: What is the maximum output power that TNY278PN can handle? A: TNY278PN can handle a maximum output power of up to 15 watts, depending on the specific application and operating conditions.

  5. Q: Does TNY278PN require an external MOSFET? A: No, TNY278PN does not require an external MOSFET as it integrates a high-voltage power MOSFET internally.

  6. Q: Can TNY278PN operate with both AC and DC inputs? A: Yes, TNY278PN can operate with both AC and DC inputs, making it suitable for a wide range of applications.

  7. Q: What are the main advantages of using TNY278PN in technical solutions? A: The main advantages of using TNY278PN include simplified design, reduced component count, improved energy efficiency, and enhanced system reliability.

  8. Q: Is TNY278PN compatible with dimming functionality for LED lighting applications? A: Yes, TNY278PN supports dimming functionality for LED lighting applications, allowing for adjustable brightness levels.

  9. Q: Does TNY278PN have built-in protection features? A: Yes, TNY278PN incorporates various built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  10. Q: Are there any reference designs or application notes available for TNY278PN? A: Yes, the manufacturer of TNY278PN provides reference designs and application notes 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 the specific requirements and conditions of each application.